Casey and Alicia travel to Clearfield, Utah to investigate a serial rapist. Bringing together an unprecedented multi-jurisdictional task force, they develop a terrifying profile of a merciless criminal and uncover new evidence.

A split decision to hitch a ride on a cold snowy day 20 years ago has haunted a young woman's life. Casey and Alicia head to Ogden, Utah, to help the brave survivor come forward and try to track down the man responsible.