When architect-turned-recluse Bernadette Fox goes missing prior to a family trip to Antarctica, her 15-year-old daughter Bee goes on a quest with Bernadette's husband to find her.
Two kidnappers, a dealer, a group of college kids, and a killer converge in an abandoned school. Once they cross paths, chaos ensues, and it's a race to survive the night.
The survivor of a famous child-abduction case joins a special task force dedicated to solving abductions and missing person cases.