Ten-year-old Willie has always dreamed of becoming a superhero and fighting evil alongside his father, a brave police officer. Everything changes when his younger brother, Charlie, arrives. Not only does he completely steal his parents' attention, but he also possesses superpowers! When the city is threatened by a mad scientist and a cunning supervillain, the brothers—though completely different—must join forces. Will their jealous older brother and a baby with extraordinary powers be able to save the city?