While Huey, Dewey and Louie are at Grandma’s for a week, Donald decides to loaf. For support he rents a household robot. Instead of the ordered M-16, however, a robot of the type M-16X is delivered who has been programmed for cleaning a hotel with 200 beds. The robot is a true housework maniac and even keeps its master from using the phone to avoid fingerprints. Donald does not find peace and he gives the robot an electric shock to short-circuit it. This increases the robot’s housework mania even more. When the nephews come home some days later, Donald is completely exhausted and has to stay in bed for a month. Huey, Dewey and Louie decide to rent a household robot, too …