Little Leo loves to play being a big and brave superhero with his best friend Fifi. He is anything but heroic, however, when he and Fifi play. Time and again Leo loses his courage and it is tiny Fifi who has to come to his rescue. It gets to the point when Leo nearly gives up hope that he will ever find his lion's heart. But when Fifi get's into real trouble, Leo discovers that deep inside himself there is a well of bravery that he didn't know existed.