Lonely teenager Mia gets hooked on the thrills of conjuring spirits through a ceramic hand, but when she is confronted by a soul claiming to be her dead mother, she unleashes a plague of supernatural forces, and struggles to decide who she can trust the living or the dead.
Rachel, a concerned researcher, and her team have set out to sea to prove that the disappearance of a family and crew from a merchant ship was for reasons having to do with the supernatural. Her theory that those on the Mary Celeste vanished into a "rift" between dimensions proves true as the boat breaks down and her crew begins to vanish one by one.