While on the cruise ship Dennis, Joey, Margaret, and Ruff find a princess who is being hypnotized, meanwhile two crooks are after the ring the princess wears.While on the cruise ship Dennis, Joey, Margaret, and Ruff find a princess who is being hypnotized, meanwhile two crooks are after the ring the princess wears.While on the cruise ship Dennis, Joey, Margaret, and Ruff find a princess who is being hypnotized, meanwhile two crooks are after the ring the princess wears.