A young woman wakes up after a terrible accident to find that she's locked in a cellar with a doomsday prepper, who insists that he saved her life and that the world outside is uninhabitable following an apocalyptic catastrophe. Uncertain what to believe, the woman soon determines that she must escape at any cost.

Keller Dover is facing every parent's worst nightmare. His six-year-old daughter, Anna, is missing, together with her young friend, Joy. The only lead is a dilapidated RV that had been parked on their street. Heading the investigation, Detective Loki arrests its driver but a lack of evidence forces his release. As the police pursue multiple leads, Dover knows his child's life is at stake and decides he must take matters into his own hands. How far...