Southern France, 19th century. Teresa, a young girl, arrives at an isolated female boarding school that is tyrannically mastered by Mrs. Fourneau, the strict headmistress, whose protective shadow haunts Luis, her weak son.

Julie is trying to start a new life after the tragic and eerie death of her possessive and domineering husband. After returning home, she is plagued by terrifying supernatural occurrences. A medium arrives at the house with a message from beyond, but Julie dismisses her warning.