In the dead of night, the team heads to a remote target they believe to be the long-lost Marine Sulphur Queen. This massive tanker disappeared in 1963 with a crew of 39 and is one of the most iconic missing Bermuda Triangle wrecks. Only a few lifejackets and small pieces of debris are ever found. Did it sink because of an explosion caused by its superheated cargo, a flaw built into the very heart of this massive ship, or the deadly storms that appear out of nowhere in this remote stretch of water?