Jill Parrish comes home from a night shift to discover her sister Molly has been abducted. Jill, having escaped from a kidnapping a year before, is convinced that the same serial killer has come back and taken Molly. Since the killer leaves no trace, the police don't have any evidence and can't help her. Afraid that Molly will be dead by sunrise, Jill sets out alone on a nail-biting chase to come face-to-face with the killer. Will she have enough time to find and outwit him, expose his secrets and save her sister?