Count Dracula and company participate in a cruise for sea-loving monsters, unaware that their boat is being commandeered by the monster-hating Van Helsing family. Dracula, Mavis, Johnny and the rest of the Drac Pack take a vacation on a luxury Monster Cruise Ship, where Dracula falls in love with the ship’s captain, Ericka, who’s secretly a descendant of Abraham Van Helsing, the notorious monster slayer.