This time, Dracula, together with his friends, goes on a cruise on a luxurious liner. There’s entertainment for every taste: from monster basketball and exotic excursions to moon baths. Unexpectedly, Dracula falls in love with the ship’s captain — the mysterious and beautiful Erica — and his daughter Mavis realizes that the trip could turn into a nightmare: after all, Erica is keeping a terrible secret that threatens the existence of all monsters!