While MacLaren, Carly, Trevor, and Philip work with another traveler team to protect a child important to the future, Marcy takes measures to remember her past life – but uncovers…

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.

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…