Watch Haunting of the Mary Celeste (2020) HD Full Movie Free on SolarMovie. Watch Haunting of the Mary Celeste (2020) online free. Rachel, a concerned researcher, and her team have set out to sea to prove that the disappearance of ...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.