Mushmouse gets a visit from his cousin, he and Punkin’ Puss get off on the wrong foot. Bat Mouseterson quickly wears out his welcome in Punkin’ Puss’ eyes and he tries to get the mouse to go home. When that day comes, Mushmouse uses his cousin’s ways to beat up Punkin’ Puss, but finds out that Punkin’ Puss is trying the same thing.