Tom is using Jerry as a paddle-ball, when the doorbell rings and Mammy Two-Shoes brings in three cute kittens. Mammy is about to go to the store to get some milk for them, when the kittens attempt to blow Tom up. Mammy turns around at the noise, only to find Tom in a position which looks like he’s going to hurt the kittens. After giving him a whack, he warns him that if the kittens are harmed by the time she gets back, it’ll be trouble for Tom. But once Mammy leaves, the kittens to everything they can to provoke Tom, as well as Jerry. So the two rivals team up to get back at them.