When his country needs him… For Green Beret Travis Chapman, special operations and covert missions are his life. When his country calls, he reports without question. Until now. Until he’s tasked with protecting a woman he’d once loved and sent him packing. He’d rather go AWOL than spend time with civilian researcher Claire Reed. Even when he learns that her vital research project is stolen, he thinks twice about seeing her again. Will he heed the call if it means seeing the woman who’d once broken his heart? But everything changes when he hears that the prototype and specs for the Army’s latest virtual training program are worthless without knowledge only Claire possesses, making her a target for abduction by the clever thief. Despite their past, Travis won’t let anything happen to Claire and puts aside his feelings to go undercover to keep her safe. Can he convince Claire to rely on him to keep the training program out of the hands of subversive military groups and keep Claire alive?

Forensic artist, Hannah Perry’s skills made her a valuable asset to the police… A young woman has been murdered. Her body unidentified. Her skull recently discovered by the police, and Hannah feels compelled to help find the killer. Even if she’s on a much-needed vacation on a secluded island with her young son. She could work on the reconstruction in the evenings while her son slept. But as the woman’s face takes shape, an assailant invades Hannah’s cabin and tries to end her life. Before he can permanently silence her, she and her son flee the island in a small boat. Trouble is, as they approach Cold Harbor, ocean waves capsize the boat, enveloping them both in cold terror. But it also makes her the next target. Former SEAL Gage Blackwell can’t believe his eyes as he plunges into the raging waters to rescue the pair. Owner of Blackwell Tactical—a law enforcement training facility and protection services agency—Gage pulls the woman he once loved from the angry ocean. When he learns of her attack, he vows to protect her while hunting down the killer. Alone and vulnerable, Hannah has to accept Gage’s protection—even if it means staying close to the man who’d once walked out on her without a backward glance.

Want to play a game… When research chemist Kiera Underwood receives a cryptic phone call about her twin brother, she tries to contact him to no avail. Her twin sense tingles, warning her that something is wrong. When he doesn’t return her call, and the manager at Oceanic Labs claims he didn’t come into work that day, she heads to Cold Harbor. But when she arrives in town to find the door to her bother’s house ajar, she races to the lab to question his fellow employees. Solve the puzzle and save your brother… Kiera’s not prepared when an attempt is made on her life and Blackwell Tactical operative and former Army Ranger, Cooper Ashcroft delivers her second shock of the day. Someone killed the lab supervisor and stole a deadly biotoxin. The main suspect? Her brother, and Blackwell Tactical has been hired to bring him in. If that wasn’t shocking enough, she’s suspected of colluding with him. She had nothing to do with the theft or murder, and despite the evidence staring her in the face, she knows that her brother is innocent of all charges. She sets out to prove it, and she’s soon the victim of a near abduction thwarted by Coop. He’s faced with the reality that she’s telling the truth and someone has likely abducted her brother—perhaps killed him—and now Kiera’s very life is in danger, too.

Five years ago tragedy tore them apart… Forensic anthropologist Maggie Turner happily works as an assistant professor at her local university and lives a quiet life near campus. That is until Jackson Lockhart enters her classroom. Then a cyclone of emotions erupt as she remembers the tragedy that once tore them apart. She’s often thought of him, but they’d agreed never to see each other again and so far they’d kept their promise. But today…Jackson has a good reason for breaking his promise. Maggie’s life depends on it. Will it now bring them back together? In an ongoing investigation, Jackson has learned that university officials secretly videoed her classroom in a study on attendance. The recorder was supposed to run only during the class session, but it malfunctioned and recorded an entire week, which includes a shocking murder that has now put Maggie’s life in danger. Can Jackson unravel the lies surrounding this incident before the killer unleashes his fury on Maggie and takes her life?

When the one thing strikes that she never saw coming… Former FBI cyber security agent Eryn Calloway has successfully cracked countless complex cyber investigations. Her expertise is highly valued working as Blackwell Tactical's cyber expert. But when her computer is locked with ransomware, she suddenly finds herself facing the biggest challenge of all. She's brilliant when it comes to saving others, but this perpetrator proves he can outsmart her and threatens to kill her. The stakes are too high, and she can't take him down alone. Can she let the one man who can protect her get close enough to do so? Former Green Beret, Deputy Trey Sawyer wants to serve as her bodyguard while tracking down the criminal. Trey has been in love with Eryn for a year, but she's kept every man at arm's length since she lost her husband several years ago. Eryn has proved she is fully competent to take care of herself, but now her four-year-old daughter is in danger as well. When Trey and Eryn are thrown together in a race for her life, Trey needs to convince her to overcome her past and truly rely on him or she won't make it out alive.

A shared past… Riley Glen’s former girlfriend, recording artist Leah Kent, is performing at a summer concert nearby and calls to tell him she’s in danger and needs his help. After the concert, he discovers her bending over a girl’s dead body, and the girl has Leah’s name freshly tattooed on her wrist. Leah claims she just found the body and didn’t have anything to do with the murder. When two other bodies are found, both boasting Leah’s name in bright ink on their wrists, she comes under suspicion for the murders. Riley jumps in to defend her from both an imminent arrest and a killer’s deadly rage. A new beginning? Riley and Leah had once been a music team and deeply in love. But Riley’s lifelong dream was to be a sniper, not a musician. He chose to follow his dream and has been successful in his career just as Leah has found success in hers. He still has feelings for Leah, but their lives are on vastly different courses. But when she begs for his help to clear her name and protect her, he agrees to do what he can. Riley soon discovers this killer is highly trained and vicious, and Leah won’t survive another day unless Riley uses every skill he possesses to try to save her.

She’s on the run… When Whitney Rochester’s brother-in-law kills her sister, Whitney fears for the life of her niece and nephew. She can’t leave them in her murderous brother-in-law’s care so she goes on the run with the children to be sure they’re out of his reach. Or so she thinks until a killer shows up—weapon in hand—at the ski resort where she works and targets her. But he’s in pursuit. Former Recon Marine Alex Hamilton is working an undercover investigation at the resort when a crazed man wielding a gun takes out a guy in close proximity to Whitney. Despite not having the support of the Blackwell Tactical team, other than their forensic expert, Samantha Willis, Alex isn’t about to let the shooter harm Whitney or anyone else. When a blinding snowstorm triggers avalanches in the area, it’s too dangerous for the police to reach the secluded resort to stop the killer. Alex and Sam must protect everyone at the resort while they feverishly work to figure out if Whitney or the victim were the intended target. As Alex and Whitney grow close and the killer strikes again, Alex has to find and take down this madman, even if it means risking his own life.

An inferno meant to destroy… Blackwell Tactical operator and former criminalist Samantha Willis discovers forensic evidence to prove her friend has been murdered. But before she can gather the evidence, an explosion erupts and a fiery inferno traps her in a building. She helplessly watches the evidence go up in flames and prays that she can escape before the encroaching flames take her life. Or an act of revenge… Firefighter and former Navy SEAL Matt Griffin knew his friend’s death was no accident, and he arrives at the building to gather his own evidence. But he sees the building engulfed in flames and discovers a familiar car parked in the lot. Sam, his former girlfriend, had to be trapped inside. Despite his training, despite his captain’s protest, Griff takes off without a threat assessment, risking his life to enter the building and drag Sam to safety. When he does, he can’t help but wonder if the fire was set to destroy evidence or if it was set to kill Sam. Either way, if Sam survives, he vows to hunt down the answer.