Former FBI negotiator Katherine is framed for bribery by her husband Derek, losing both career and marriage. As an insurance investigator, she uses her skills to solve a murder-for-fraud case. When Derek’s lover Natalie is injured in a cliff crash, Katherine uncovers Derek’s controlling abuse and stalking. Her investigation forces his confession, and Natalie testifies, sending him to prison. Cleared of all charges, Katherine chooses not to return to the FBI, instead helping vulnerable people begin again.