In Hotel Transylvania 3: Summer Vacation (2018), Count Dracula and his monster family embark on a luxurious cruise vacation. Hoping to relax and unwind, Dracula meets the ship’s mysterious captain, Ericka, who is secretly a descendant of Van Helsing, the legendary monster hunter. As the cruise progresses, Dracula falls for Ericka, unaware of her hidden agenda. Meanwhile, his daughter Mavis and the rest of the family enjoy various activities aboard the ship.

As Dracula and Ericka’s relationship deepens, the monsters discover that Ericka’s true intentions involve using Dracula to unleash a dangerous weapon. In the end, Dracula and his family band together to stop her, and through teamwork and understanding, they thwart her plans. The film highlights themes of family, love, and self-discovery, with plenty of comedic moments and colorful animation, making it an entertaining summer adventure for audiences of all ages.