 Acme Looniversity is abuzz as the prom approaches. Buster fears his dark secret -his profound inability to dance- will be revealed. Babs is on pins and needles, waiting for Buster to ask her out. Elmyra nurses her unrequited crush on Montana Max, who flees to Rio. The boys are fitted for tuxes and the girls paint their faces (literally). When the big night arrives, surprises abound for everyone... and in true Acme Loo fashion, unadulterated chaos reigns.