After a New Hampshire town becomes plagued with terrifying demons and evil spirits, the grumpy former sheriff Stanley Miller joins forces with his replacement, Evie Barrett to save their town from a dreadful fate.
In an attempt to unravel the mystery surrounding Evie, Stan contacts descendants of a Wiccan coven. He succeeds in traveling back in time to save Evie, but they have to kill someone else from the past in order to do it.