Driven by grief and fury, Shea Monroe, an operative for Last Chance Rescue, goes deep undercover, vowing vengeance against the man who killed her husband. Instead, she ends up a captive and the unwilling weapon of a vicious human trafficker. But then she is rescued from her den of terror and shame by her husband's best friend, Ethan Bishop. She feels irrevocably drawn to him, despite her having lost all memory of her life before she was captured.