When the daughter of a powerful U.S. senator becomes the latest victim of a serial killer, FBI agent Noah Bishop and his Special Crimes Unit must join forces with a rogue civilian agency, originally founded by Bishop as a privately funded resource team, to stop the maniac.

"When two sisters set out across a remote stretch of Montana road to visit their friend, little do they know it will be the last time anyone might ever hear from them again. The girls--and their car--simply vanish. Former police investigator Cody Hoyt has just lost his job and has fallen off the wagon after a long stretch of sobriety. Convinced by his son and his former rookie partner, Cassie Dewell, he begins the drive south to the girls' last known...