When "the Samaritan," a sadistic serial killer who preys on lone female drivers whose cars have broken down, leaves behind a new victim in the Santa Monica Mountains, LAPD Detective Jessica Allen must find a way to stop him with the help of skilled manhunter Carter Blake. "The Samaritan" is a sadistic serial killer preying on lone female drivers whose cars have broken down-- and has been undetected for a decade. When Carter Blake shows up to volunteer his services, and proves to have an uncanny ability to predict the Samaritan's next moves, LAPD Detective Jessica Allen and her colleagues are suspicious. But as the Samaritan takes his slaughter to the next level, Blake must find a way to stop him-- even if it means bringing his own past crashing down on top of him.