Samantha Cain isn't the type of woman who gets unnerved easily. After all, she's the widow of a policeman and a single mom. Now she works the midnight shift, all alone, at a large trucking terminal close to the Mississippi River. One night she hears a strange rustling outside, then a strangled cry. Racing out of her office, she witnesses a terrifying scene at the nearby levee and interrupts a killer at work. Now the killer is after her. Whom can she trust? Certainly not the police, who didn't protect her before..
Detective Matthew Jefferies has been on the trail of a twisted serial killer who preys on older women, leaving no evidence behind. But this time he has a witness-the wife of his dead ex-partner, Martin Cain-if he can keep her alive.