Donald watches the latest superhero movie at the cinema and is completely enthusiastic about it. Now he wants to antagonize Duckburg’s villains as “Nightmuscle” himself. The new superhero tailors himself a kinky costume and luckily foils two burglaries in the following nights. In the next night two sinister guys want to steal the statue of the mayor. Nightmuscle catches them red-handed, but the smart thieves pretend that they want to bring the statue to the cleaner’s. So the hero of the night even helps them with their transport. When Donald reads about the theft in the newspaper the next day he vows revenge. He tracks down the statue thieves and takes care of their imprisonment after a heroic fight. While Donald is recovering from his injuries he now wants to keep Duckburg’s streets clean with a broom.