Ellie crosses paths with a vengeful group of survivors – and draws the attention of its leader. A weakened Joel faces a new threat.

The infamous “Hook Man,” a vengeful spirit who kills his victims with a shiny hook that serves as his hand, terrorizes a small college town in Iowa. Sam and Dean…

Castriel investigates the mass slaughter of angels and finds a lone survivor… and an old friend. Meanwhile, Sam and Dean capture Gadreel, and Metatron begins the ending of his story.