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.

When a local woman goes missing and Sheriff Blake Jenkins delivers her blood sample to DNA expert Emory Steele for analysis, Blake discovers Emory is a dead ringer for the missing woman. Blake’s gut says the woman is related to Emory. But Emory rejects the notion, requiring a DNA test before she’ll concede that she does indeed have a twin sister she never knew about.

When cybercriminals hack into the US Marshals' Witness Protection database and auction off witnesses' personal details to the highest bidders, the RED Team led by FBI Agent Sean Nichols begins a high-stakes chase to find the hacker. But before he can even get started, the first witness is targeted and barely escapes with her life. Sean believes Phantom, an obsessed hacker who previously outwitted the top minds in the field, is behind the attack, and Sean needs this witness's help, as she's the person who has come closest to discovering Phantom's identity.

Having rescued Cassidy McKnight from kidnappers in South America, Gabe Sinclair thought his job was done. Not that the former Navy SEAL could ever forget the brave, beautiful single mother. But when the danger followed her home, Gabe promised to protect her. Why anyone would want to kill Cassidy was a mystery. Was the motive related to the orphaned toddler Cassidy was raising, a sweet little girl who brought out the father figure in maverick Gabe?

EMS helicopter pilot Penny Carlton is used to high stress situations, but being forced to land on a mountain in a raging storm with a critical patient - and a serial killer on the loose - tests her skills and her nerve to the limit. She survives with FBI Special Agent Holt Satterfield's help. But she's not out of the woods yet.