

Keeping his true identity a secret
is the only way to complete his undercover mission...
Shannon Murphy has no idea her neighbor is a Homeland Security agent working undercover to break up a human trafficking ring. Ian McKenzie wants to keep it that way. Until the mission to rescue Shannon’s friend from the same abductors Shannon escaped goes south, plunging her into mortal danger. After keeping secrets, can Ian convince Shannon to trust him with her life?
LENA DIAZ was born in Kentucky and has also lived in California, Louisiana and Florida, where she now resides with her husband and two children. Before becoming a romantic suspense author, she was a computer programmer. A Romance Writers of America Golden Heart® Award finalist, she has also won the prestigious Daphne du Maurier Award for Excellence in Mystery/Suspense. To get the latest news about Lena, please visit her website, lenadiaz.com.
Also by Lena Diaz
Smoky Mountains Ranger
Smokies Special Agent
Conflicting Evidence
Mountain Witness
Secret Stalker
Stranded with the Detective
SWAT Standoff
Missing in the Glades
Arresting Developments
Deep Cover DetectiveDiscover
Discover more at millsandboon.co.uk.
Undercover Rebel
Lena Diaz

www.millsandboon.co.uk
ISBN: 978-0-008-90501-9
UNDERCOVER REBEL
© 2020 Lena Diaz
Published in Great Britain 2020
by Mills & Boon, an imprint of HarperCollinsPublishers 1 London Bridge Street, London, SE1 9GF
All rights reserved including the right of reproduction in whole or in part in any form. This edition is published by arrangement with Harlequin Books S.A.
This is a work of fiction. Names, characters, places, locations and incidents are purely fictional and bear no relationship to any real life individuals, living or dead, or to any actual places, business establishments, locations, events or incidents. Any resemblance is entirely coincidental.
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Thank you to all the wonderful readers enjoying this series, especially those who have sent me emails and messages about how much they love this special family of law-enforcement heroes. I hope Ian’s story warms your heart and leaves you with a smile on your face.
Contents
Cover
Back Cover Text
About the Author
Booklist
Title Page
Copyright
Note to Readers
Dedication
Chapter One
Chapter Two
Chapter Three
Chapter Four
Chapter Five
Chapter Six
Chapter Seven
Chapter Eight
Chapter Nine
Chapter Ten
Chapter Eleven
Chapter Twelve
Chapter Thirteen
Chapter Fourteen
Chapter Fifteen
Chapter Sixteen
Chapter Seventeen
Chapter Eighteen
Chapter Nineteen
Chapter Twenty
Chapter Twenty-One
Chapter Twenty-Two
Chapter Twenty-Three
Chapter Twenty-Four
Chapter Twenty-Five
Chapter Twenty-Six
About the Publisher
Chapter One
Ian spotted his target in the back-left corner of the truck stop’s massive parking lot, parked sideways as if poised for a quick getaway. Two empty spaces separated the white panel van from a garish bright yellow semi, one of dozens of rigs parked along the chain-link fence. He couldn’t help rolling his eyes at the cliché of bad guys in a panel van. Just once he’d like to come up against his prey driving something more original with a cool factor, like a sports car, or even a blacked-out Suburban if they had to go big. Then again, a fancy car would attract attention, and attention was the last thing they wanted. It was the last thing Ian wanted.
He hunched his leather jacket against the cold wind blowing down from the Tennessee side of the Smoky Mountains and started forward. A glance to his right revealed the fast-food drive-through was already beginning to bustle with people looking for a quick, easy supper. Harassed-looking moms and dads in SUVs placed their orders, kids in the back yelling, laughing or crying through the open windows. None of them seemed to notice what was really going on outside the reach of the restaurant’s neon glow. Few people ever did.
Rigs belched smoke behind the restaurant, pulling up to lines of diesel fuel pumps that seemed to go on forever. Others parked to catch a few hours of sleep before getting back on I-40 to head into nearby Gatlinburg or some other destination. The occasional achingly young woman or man hopped in and out of the various sleeper cabs, sometimes pausing to grab junk food right alongside the soccer moms and dads inside the restaurant. And no one thought twice about it. Which was why business thrived out here. Just not the kind of business most of the decent people in this part of Tennessee knew about. Or the average person in hundreds of other towns just like this one.
Sometimes Ian wondered why he bothered to fight anymore. The odds were overwhelmingly against him. More often than not, his missions ended in defeat rather than victory. But every time he was on the verge of quitting, the memories would slam into him. Dormant grief and anger would work their way through his system like banked coals igniting into a dangerous wildfire. And then a name would prick his conscience.
Willow.
That was his battle cry, a reminder of his greatest failure, the reason he persevered even when the odds of making a difference seemed pathetically out of reach. But it was a newer name that pushed him forward tonight—Maria. Although he didn’t know her, his friend and neighbor Shannon did. And the word on the street was that the men he was about to meet knew Maria too.
But they weren’t her friends.
Ian sent up a silent prayer that Shannon would be uncharacteristically patient, that she’d stay in his car as she’d promised when this opportunity came up. They’d been on their way to a pizza joint when the long-awaited call had come in. If he’d taken the time to drive her home, he’d have missed the meeting. And neither of them had been willing to risk that.
Up ahead, a twentysomething skinny white guy with dark greasy hair and ragged jeans waved at Ian from near the van’s front bumper. The kid had dubbed himself Wolverine. But something more passive, like Archie or Howard, seemed more appropriate. He didn’t exactly inspire fear. But he did have his uses—like setting up tonight’s meeting.
“Hurry up, Ian.” Wolverine wrung his hands and glanced at the trio standing beside the van’s closed sliding door. “The boss doesn’t have all day.”
Ian kept his steady, unhurried pace. It gave him time to size up his adversaries. According to Wolverine, their names were Butch, Jagger and Axel. Ian would bet the .357 Magnum Ruger GP100 that he’d left in his car for Shannon’s protection that those monikers were just as fake as Wolverine’s. But unlike Wolverine, these men’s nicknames fit them perfectly. And they didn’t give the impression that they were the least bit worried about Ian’s size.
At six-one, his height tended to be an advantage when facing an opponent. But it was his powerful biceps and muscular physique that usually gave him the intimidation edge. His leather jacket, spiky black-and-blond hair, and dragon tattoos peeking out from his neck and wrists completed his street image. But the bulked-up men calmly watching him approach had Ian thinking he should up his reps at the gym. A lot. If things went south in the next few minutes, he might end up in the fight of his life. And that was only if they didn’t kill each other in a shoot-out first.
“Lose the shades.” The biggest of the three gave the order. His red hair and pale, freckled skin probably got him teased when he was younger. No one would make that mistake now. He could have been the Incredible Hulk’s younger, less green brother, with a carrot top.
“And take your hands out of your pockets.” That from the middle guy. Ian half expected the dark-skinned giant to pull a sword from behind his back and go all daywalker on him like Wesley Snipes in the Blade movies.
Ian kept his hands in his pockets. He didn’t take off his shades. He looked to number three and jerked his head toward his fellow thugs. “I get the Incredible Hulk and Blade. But who are you supposed to be? Captain Jack Sparrow, on steroids?”
Jack’s eyes widened, and he looked to his boss as if to take his lead on a response. Ian chalked him up as a minion, like Wolverine. No one important. He focused his attention on the other two. It was Blade who straightened, tossing his dreads and baring his white teeth like a hungry pit bull. First lieutenant, then, the main man’s bodyguard. Definitely important. And dangerous.
“You think you’re funny or something?” Blade flexed his fists at his sides.
“What are you doing, Ian?” Wolverine sounded like he was ready to faint. “You tryin’ to get yourself killed?”
Zeroing in on the one he’d come for, Ian stopped three feet away from Hulk. He kept his left hand in his jacket pocket wrapped around the butt of his second-favorite gun, a Glock .22. Not as powerful or impressive-looking as his .357 revolver, it had the advantage of holding more rounds with less recoil. And it fit perfectly in his pocket. He could take out Blade and Jack without even pulling out the gun. But it would ruin a really nice jacket.
He stared directly at Hulk. “This macho drama is great if you’re trying to intimidate some green kid straight out of high school. But I’m not green, and high school was a long time ago. My buyers are impatient for some fresh product. I was told you were the guy who could get it. Either show me what you have or my money and I go elsewhere.”
“Ian, man. You’re blowin’ it.” Wolverine sidled closer to Hulk. “You need to show some respect and—”
Hulk held up his hand. Wolverine slunk to the front of the van again. Blade had moved forward when Ian had. But he stepped back at his boss’s signal, looking none too happy about it. Jack’s eyes seemed to bulge from their sockets as he glared at Ian. Apparently, he wasn’t a fan of Captain Jack Sparrow. That alone had Ian wanting to knock some sense into him.
“How fresh are we talking?” Hulk’s voice was deathly quiet, his dark gaze riveted on Ian.
“I don’t make deals with people I don’t know.” Ian slowly and deliberately pulled his right hand out of his pocket, then held it out toward the leader. “Ian Savage.”
Hulk eyed his hand for a long moment. Time seemed to stand still as Ian waited. In his peripheral vision, he watched for sudden movements from the others, calculating distances and reaction times as he sifted through various possible scenarios.
“The name’s Butch.” Hulk finally grasped Ian’s hand in a firm handshake. When he let go, he waved toward his lieutenant. “That’s Axel, and over there is Jagger.” The corner of his mouth lifted. “But I kind of like Blade and Sparrow. Might have to borrow those.” He chuckled and reached into his pocket.
Ian tensed. Butch noticed and hesitated. He mimicked Ian’s earlier slow, deliberate movements as he pulled his hand out of his pocket, revealing a stack of photographs.
“Product.” Butch’s mouth curved into a lecherous grin. “The freshest around. Your buyers have any particular preferences, fetishes?” He fanned out the pictures like he was playing poker, and held them up in the air. “Redheads, blondes, brunettes. Tall, short, skinny, fat. I’ve got ’em all.”
Ian flicked his gaze over each of the pictures. None of them matched Maria’s description or had the tattoo on her neck that Shannon had told him about. “Got any Latinas? Dark hair, dark eyes? Curvy?”
Butch shrugged, his smile fading. “I got a few. But they’re older, more...experienced. I thought your buyer wanted fresh.”
Ian made a quick course correction, forcing a grin as he worked to keep his worm on the hook. “The Latina would be a bonus, for me.”
Butch laughed, biting at the bait again. “If we deal, maybe I’ll throw two Spanish beauties in just for you. What about your buyer? What’s his preference?”
“Young,” Ian said. “Very young.”
“A man after my own tastes.” He winked.
The urge to slam the butt of his pistol against the pervert’s grinning mouth was nearly overwhelming. Instead, Ian schooled his features into a bland expression that gave nothing away of the turmoil inside him.
Butch pulled a smaller stack of pictures from his other pocket and made a show of licking his lips before turning them face out. “Young enough for you?” His brow arched. “I mean, for your friend, of course.”
Bile rose in Ian’s throat. The girls in the photographs didn’t look old enough to be in high school. Two were prepubescent. He tightened his grip on the pistol in his pocket. One little squeeze and he could rid the world of this piece of garbage. But that wouldn’t help the victims in those photographs. Until he knew where they were, he had to treat this animal like a human being.
Forcing a conspiratorial grin was beyond Ian’s abilities. “How fast can you deliver?”
“A couple of hours. If the price is right.”
Disappointment shot through him. He’d hoped the victims were close by, maybe hidden in the back of one of the big rigs. The whole mission could have been resolved in minutes. The young girls—none of them were old enough to be called women—could be rescued from this scum’s depraved clutches and given a new chance at the life they deserved. Instead, he’d have to keep up the facade a little longer.
He held out his hand to take possession of the photographs. “I need a closer look before I choose.”
“They’re all A1 prime. I take good care of my girls.” Another lascivious grin. “You pick the ones you’re interested in. Then we talk price and delivery.” Butch stacked the pictures together and held them out.
“Ian? Ian, is that you?” a man called out from behind him.
Ian froze. No. Of all people to recognize him from his other life, why did it have to be him? He was going to ruin everything.
He reached for the pictures.
Butch snatched them back, and suddenly Ian was looking down the bore of a pistol.
Chapter Two
Ian bit back a curse. “What are you doing, Butch? You threaten all your potential buyers?”
He’d been close, so close. He needed those pictures. He needed the trust of this monster pointing the pistol at him. And now a chance encounter with someone from his other life was jeopardizing months of undercover work, and the anticipated rescue of Hulk’s young victims.
“You a cop, Ian?” Butch’s knuckles whitened on the pistol grip. “’Cause that guy calling your name smells like a cop to me. You trying to pull something?”
Ian leaned slightly forward, curling his lip in derision even as he felt a bead of sweat roll down the back of his neck. “Don’t insult me by calling me names. I ain’t no cop.”
Hulk studied him as if trying to decide whether to believe him. He subtly jerked his head. Axel and Blade slid the side door open behind him and hopped inside the van. Wolverine jumped into the passenger seat up front.
“Ian!” the voice called out again, closer.
Think fast. You can fix this. You have to fix this.
Butch looked past Ian’s shoulder, then pocketed his gun. “That guy looks familiar. Who is he?”
Ian was seriously sweating now. Did Butch have a run-in with Adam in the past? Would he remember where he saw him? He went all in, and prayed his bluff would work. He jerked his thumb over his shoulder.
“That’s the piece of crap who screwed my girlfriend. I’ll get rid of him. Then you and I can finish business.”
He whirled and strode toward Adam, half expecting to feel the burn of a bullet between his shoulders. He funneled all of his frustration and anger into an expression of pure malice as he glared at the man who was endangering everything. Of all the people to recognize him and interrupt his mission, why did it have to be Adam? He was two inches taller than Ian, if not more muscular. And, naturally, he was standing beside a cool blacked-out SUV that he must have parked when he saw Ian.
He didn’t stop until he was right in Adam’s face. “Punch me.” His voice was pitched low so no one else would hear. “Hard.”
“Punch you? Why would I punch—”
Ian slugged him in the jaw, spinning him around. He followed up with a solid left hook to the middle, making him double over.
Adam coughed, his eyes watering as he glared up at Ian. He slowly straightened and wiped a thin trickle of blood from the corner of his mouth. “You want to give me one good reason why I shouldn’t beat the crap out of you for that?”
“Nope.” Ian braced himself for what he knew was coming, and slowly drew back his fist again, giving Adam plenty of opportunity. The punch caught him in the shoulder like a battering ram, slamming him to the pavement. His head bounced against the concrete and his mouth filled with blood. Holy hell. He’d forgotten just how strong Adam was. The man was built like a bull.
Somewhere behind him laughter sounded. Some truckers watching the fun? Or Butch and his crew? An engine revved. The van. Ian’s stomach sank. He’d lost his opportunity to rescue the girls, at least tonight. He shook his head, desperately trying to clear his double vision as he pushed himself to his feet. Maybe Butch would give him another chance. Ian had to convince him this fight was for real, and that Adam wasn’t a cop. He had to keep this up until the van was gone. Even if it killed him.
He spit out a stream of blood and turned, then ducked just in time to avoid a fist to the face.
The white van pulled out of its spot, slowly passing them. Butch was definitely watching. Ian had to make this convincing.
He straightened, both fists in front of him as he tried to figure out which blurry image to hit. He made a half-hearted jab toward the middle one, then braced himself for the return punch. It was a one-two combo, making him double over from the first hit, then spin around with the second. He wobbled, the white of the van barely in his field of vision now. They were still watching. Was that a good thing? Or a bad thing? Were bullets about to fly or was Butch going to lie low and set up a new meeting later?
One more weak jab at Adam hit air as planned. Even knowing what was coming, he wasn’t prepared for the violence of the return punch. It slammed into his ribs, knocking the wind out of him and sending him flying backward.
He managed to cover his head with his arm this time before he hit the concrete.
Fiery lava shot up his left arm and zinged through his shoulder. The only thing that kept him from shouting was a mouthful of blood. He spit again, then coughed and rolled onto his stomach, trying to push himself up on all fours. His left arm hung useless at his side. He swore. How was he supposed to go up against thugs like the Hulk with a bum shooting arm? Maybe he should have slugged Adam for real. He might have lost more by throwing this fight than he’d gained.
“Ian, good grief. Stay down. I’ll call an ambulance.”
“No.” He coughed up more blood. “No ambulance.” At least, that was what he tried to say. He was pretty sure it came out something like “nolnce.”
The van sped off.
Thank God.
Adam crouched in front of him, a little unsteady himself, seeming to favor his left leg even though Ian didn’t think he’d hit it. “Be still. Quit trying to stand.” He pulled out his phone. “I’ll call—”
Tires screeched. An engine roared.
“What the—” Adam jumped back to avoid being hit by Ian’s black Dodge Charger.
Ah, hell.
“Hey, big bully. Back off. Now,” Shannon called through the open window. “Ian, get in.” The passenger door popped open beside him. “Stay back, jerk, or I’ll put a hole in you.”
Ian squinted toward the car. She was pointing his .357 Magnum at Adam. Things had just gone from bad to about ten levels worse than that. He wobbled to his feet just as Adam brought up his Glock.
“Drop it, lady,” Adam ordered.
Ian staggered between them, using his body as a shield, hoping they both didn’t start a shoot-out with him in the middle. He rarely wore a Kevlar vest while undercover, just in case a bad guy wanted to see proof that he wasn’t wearing a wire. Now he was reconsidering the sanity of that decision.
“Ergmrph.” He shook his head in defeat. Either his brain was scrambled or the cut in his mouth was garbling his words. Probably both.
“Ian, get out of the way.” Adam jerked his gun down.
Progress.
He forced his uncooperative legs to shuffle and fell back into the car.
Adam’s gun came up.
Ian threw himself against Shannon, once more acting as her human shield.
Adam swore and yanked his gun down.
“Go.” Ian’s order came out a pained grunt, but must have gotten the message across.