Buster clowns around in a blacksmith's shop until he and the smithy get in a fight which sends the smithy to jail. Buster helps several customers with horses, then destroys a Rolls Royce while fixing the car parked next to it.

A lazy and fat cat, named Dodsworth is ordered by his mistress to catch mice that have invaded her home and terrorizing her. Dodsworth doesn't want to condescend to personal physical effort to catch the mice; so, he dons a professor's hat and dupes a kitten into doing the job for him, on the pretext that he's a teacher who is giving th...