Muffy is sad to discover that one of her ancestors worked as a maid for one of Binky's ancestors - a lord. Upon further investigation, Muffy finds out how that maid got promoted to a business manager. Arthur umpires a baseball game, and he has to decide whether or not Buster properly scored a home run. When he judges in the opposing team's favor, Francine, Muffy, and Buster accuse him of making the wrong choice.