When missing teens begin turning up dead in a small Southern town, the FBI sends in Special Agent Samantha Cash to help crack the case. Her methods are invisible, and she never quits until the case is closed.

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.

Since her police-officer husband Eric’s mysterious murder, Carly Harris has been struggling to support herself and their infant son. Her career as an antique dealer isn’t sustainable, nor is her dream of becoming a novelist. So when her grandmother proposes she and her two sisters restore the family’s large Beaufort home and turn it into a bed-and-breakfast, she immediately gets to work clearing out the house. In the process, she uncovers a family secret that Eric kept hidden. And an heirloom that the wrong person wouldn’t hesitate to kill for.

Honorably discharged from the Army after an explosion nearly killed her, former military psychiatrist Brooke Adams has set up shop to help others - but her days of helping military personnel are over. She's got her own battles to fight from her time overseas, and she's not equipped to take on more. Former Army Special Ops Sergeant First Class Asher James could handle anything war sent his way - terrorists, bombs, bullets. The only thing that scares him now is sleep. Finally convinced that he needs help, Asher makes an appointment with a counselor.

As a former smokejumper, arson investigator Bri Tucker knows her way around fires. But after a mysterious blaze takes the life of a former colleague, Bri inherits a curious puzzle from him that raises questions about several fiery deaths. Someone, however, doesn’t want her picking up where he left off in search of answers. When she teams up with ATF Special Agent Marc Davis to solve the puzzle, the case heats up—as does the attraction between them.