A group of friends travel to a remote cabin in the woods and stumble upon the Book of the Dead. They unknowingly unleash demonic forces that possess them one by one, leading to intense violence and horrifying encounters. As the friends fight for their lives, they discover that dismemberment is the only way to stop the possessed individuals. In the end, only one survivor remains, but the evil force hunts him down.

When Ash Williams is accidentally transported to 1300 A.D., he must retrieve the Necronomicon and battle an army of the dead in order to return home.

Ash Williams, the lone survivor of an earlier onslaught of flesh-possessing spirits, holes up in a cabin with a group of strangers while the demons continue their attack. As they try to find a way to stop the evil, they must confront their own fears and past traumas.