Hans Wors buys a submarine at auction, and comes to look for a crew at Slobbies' house. Ol'Mom offfers him Slobbies, Kietsie and Goldwyn Phishee. After a sort of training session, they go out to sea inside their leaky submarine. But then they run into pirates: Snake, who bought a sailing ship at the same auction Hans Wors attended, and his crew: A human classmate of Slobbies, and Floefie. A fight breaks out between the two parties, but then it becomes apparent that the crew of both vessels had no idea what the battle is all about: Treasure!