Callahan Security is on the brink of disaster. Mitch Callahan pushed his brothers to expand the family business into private security, and their first major client is a complete pain in the ass. It's no wonder the man has a target on his back, but nothing could prepare Mitch for how seductive his adversary is. Love hurts. No one knows that better than Alexandra Buchannan, so she uses her talents as a thief to equalize the scales of romantic justice. Your ex still has your favorite painting? Not for long. Alex's latest job is her biggest challenge yet. Her target just hired a new security company, and the team leader is as smart as he is sexy. Mitch knows he's jeopardizing not only this job but the future of Callahan Security. If only he didn't find Alex so damn irresistible. Soon their game of cat and mouse explodes into a million pieces. Unbeknownst to them, there's another player in the game, and his intentions are far deadlier.

Logan Callahan, the CEO of Callahan Security, knows he’s out of his depth. The woman he came to the Bahamas to investigate was kidnapped, and he was taken right along with her. He knew the sexy lady lawyer was trouble. He just had no idea how much. Taken. Again. Lacy Carmichael on the other hand, was not new to the “Kidnap and Ransom” game. After all, when your father was one of the largest arms dealers in the world, danger comes with the territory, and she’d learned how to talk or fight her way out of almost anything. But this time Logan was grabbed with her, so she’ll have to reveal all her secrets in order to save both of their asses. Searching for a way out of the mess, and fighting their mutual attraction, will take all of Logan’s and Lacy’s collective skills. Unfortunately, deception and betrayal by those they trust the most changes the rules of the game, and they find themselves battling for both their lives and their love.

Gage Callahan knew his latest assignment with Callahan Security was going to be a disaster. He traipsed around Europe to locate the computer programmer he was hired to protect only to discover she's actually a hacker hiding in Alaska. Tensions mount when she narrowly escapes becoming roadkill as a vicious organization comes after her. It will take all his ingenuity to rush her to safety, especially when Gage's primary objective...get her and the prototype to New York...becomes secondary to protecting his heart from a fatal attraction to the spunky woman. Dani Pierce is used to working on the dark web but now she is truly scared because deadly trouble has arrived at her front door. The self-reliant hacker knows she'll need help to survive her contract to build facial recognition software. The aggravating yet handsome man hired to protect her makes it clear he detests her, but that doesn't stop her from developing feelings for him. It soon becomes apparent to Gage that Dani's in deeper than she'll admit but her answers don't explain why the deadly gang after her is always one step ahead. It will take his military skills and her hacking know-how to save not only their butts, but the budding love they've discovered in the midst of danger.

Spencer Gordon wasn’t expecting the call from Kathleen Drake, a woman she’d spent years keeping safe as part of the Witness Protection program. The terrified woman begged Spencer for help. Taking a leave of absence from her job with Homeland Security, Spencer hurries to her friend’s side. But the threat to Kathleen is larger than Spencer bargained for, forcing a call for reinforcements. She didn’t count on being attracted to Kathleen’s arrogant, annoying, and sexy as hell brother. Searching for his sister has been a driving force for businessman and multimillionaire Jameson Drake. When a woman approaches him out of the blue claiming to know where his sister is, he has no choice but to go along. He’d imagined all kinds of wild theories about what happened to Kathleen but the truth is more shocking than even he’d ever guessed. Forced to work together to keep Kathleen safe, Spencer strikes an uneasy alliance with Drake, wavering between wanting to shoot him, and needing to kiss him. Other than their mutual attraction, the one thing they do have in common is their desire to keep Kathleen safe. If only the mob didn’t have a different agenda.

Callahan Security is Back!!! Jake Boxer wants a vacation, but when Jameson Drake calls and asks for a favor, he has no choice. Drake's accountant is in trouble and needs protection, so Jake agrees to take on the job. Little does he know the accountant is not only brilliant but drop-dead gorgeous. Madison Montgomery, Monty to her friends, has no idea why a Russian ex-GRU operative is following her but she's relieved that Drake found someone to help. Her new bodyguard is gruff and demanding, but he's also sexy as hell. When the cops come to Jake's hotel, they have no choice but to go on the run. Jake isn't sure who and what they are running from, but he's determined to keep Madison safe. If only he could keep his heart safe from Madison.

One retired SEAL, one former librarian, and one big mystery combine to make one amazing adventure! Thane “Hawk” Hawkins is feeling lost. His corporate job no longer excites him and he’s missing his SEAL days. His friends at Callahan Security dangle an interesting job in front of him, but require a small favor in return. “Think of it as a trial run,” they said. Their idea of a small favor will send him on his most dangerous and mysterious adventure yet. Remington “Remy” Tanger is putting the pieces back together after losing her last family member. Running her grandfather’s bookstore is her way of honoring him. But Gramps had a secret life that brings trouble stumbling into her shop and almost gets her killed. She’s determined to navigate on her own; He’s determined to keep her alive. They’re both determined not to fall in love. Sometimes fate has other ideas.