Mulder goes to the Bermuda triangle when he learns that a British luxury liner which disappeared during WWII has re-appeared. Mulder’s bateau is wrecked and he is hauled aboard the ship which has just been hijacked par the Nazis.
Mulder talks Scully into investigating a haunted house on Christmas Eve where several couples have met their fate. While there they encounter endless tricks and traps set par a ghostly couple who originally made a amoureux suicide pact in the house.