In the wake of a disastrous mission overseas, Navy SEAL Commander James Reece returns home with conflicting memories of the op and questions about his own culpability.

Reece locks onto his first potential target, enlisting Ben's help. With his mental health in question, Katie and Reece strike up an uneasy but mutually beneficial partnership to find answers.

Reece is drawn deeper into a complex conspiracy and puts a new name on his list. Secretary of defence Hartley announces a drastic policy overhaul to help special operators. Katie discovers the truth of what's going on in Reece's head.

With the help of his closest friends, Reece travels to Mexico to locate the triggerman who killed his family. Katie continues her research from a remote location. Steve Horn takes steps to preserve Capstone's deals, and the San Diego FBI Fugitive..

Reece travels to San Francisco to seek answers on a drug that may have started this all. Katie attempts to turn Mike Tedesco in an effort to blow up Capstone's plans for Nubellum. Tony and his team stick close to Horn, hoping to intercept Reece.

The FBI's manhunt intensifies as they close in on Reece. Without the medications, Reece's physical and mental symptoms escalate. Surrounded by law enforcement, a man hell-bent on his mission must escape without taking innocent lives.