Once again, Moo is thinking: "I wish for a nice pair of thumbs." This simple yet far-fetched longing leads the two bovine friends amusingly to the magic of frilly dresses, hair color, eye shadow-and dancing. At the farmer's house they, in their party togs, are mistaken for Opal and Ruby, the farmer's twin sisters from California. "You gals sure know how to hoof it!" says one of their human dance partners. But when hamburgers are served, Moo and Minnie are struck suddenly by their own connection to beef. "We could be next on the grill, " says Minnie. "Run for it!."