When Polly receives a mysterious box, it comes with one rule: place inside something she needs, something she hates, and something she loves. If she doesn’t obey, it will consume everything—and everyone—she’s ever known.
An American school teacher in England drives past an abandoned car late one night, unaware that the driver was the victim of a murder. As she comes to terms with the realization, seemingly supernatural events start to affect the gothic manor she lives in with her husband.