The Witch
This film takes place in the Puritan days. Anya Taylor-Joy and her family are being attacked by supernatural forces. They were banished from their village because Anya was possibly a witch. All of the family suffers a grizzly fate, and Anya has to kill her mother in self-defense. She walks into the forest at the end despite the supernatural evil lurking within, which suggests that she was with them all along after all.