In the early 17th century, innocent young Persephone is falsely accused and put on trial for her life. Her fate seems sealed except for the timely intervention of the mysterious Reverend Mother offering her not just sanctuary, but hope. The Reverend Mother is the leader of a small religious retreat where her fellow Sisters seek atonement for their pasts. But upon arrival, Persephone is plagued with visions and soon realizes that it's not salvation that awaits but a battle for her very soul.