EMT Freya Olson has lost her faith, but not her drive to save those who need her help. When the past that her family left behind after her mother's death shows up in Benson, Freya lands on the target list as well. But things aren't what they seem, and Freya’s loyalty will be pushed to the limit.

When one Coast Guard officer is found dead and another goes missing, Coast Guard Investigative Service special agent Finn Walker faces his most dangerous crime yet. His only clues are what little evidence remains aboard the dead officer's boat, and the direction the clues point to will test Finn and the Guard to their limits. When investigative reporter - and Finn's boss's sister - Gabby Rowley arrives, her unrelenting questions complicate an already volatile situation. Now that she's back, the tug on Finn's heart is strong.

Detective James Holton has been honorably discharged from the Army Criminal Investigation Division due to wounds sustained when an IED blew up near him. Now with the Lake City Police Department, he's rooming with his good buddy and partner, Cole, while he figures out his family dynamics. Physician Assistant Lainie Jackson is eighteen months out from an attempted murder perpetrated by her ex, which ended when she managed to grab the weapon and shoot him. When he appears to have survived and is back to finish the job he started, Lainie insists it's not possible.

Mia Tathers is an ATF Special Agent. It’s not like she needs Conroy to protect her. However, when it becomes clear someone is recreating her biggest mistake, Mia has to face her own inability to forgive Conroy for what he took from her. It’s the only way she’ll stay alive.

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.