Rachel and her team investigate supernatural causes of a family and crew's disappearance from a merchant ship, proving their theory as the ship breaks down and crew members disappear.

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.