When Thalia starts paying too much attention to wealthy Milton Armitage (Warren Beatty) because of his suits, Dobie strikes a deal with the owner of a men's clothing store (owner played by Mel Blanc) to let him model suits for him. But what will money mad Thalia do when she finds out Dobie doesn't own the fancy suits he wears?

Given bad advice by his older brother, Davey, Dobie convinces a girl that he is having an affair with his teacher.