Willi is 18 years old and lives on the street. He drifts through the city without a destination, always on the go. He meets people like journalist Frank (Michael Degen), who wants to help him, or the sleazy little crook Theo (Walter Kohut), who wants to drag him to the bar. When Willi meets Monika (Eva Mattes), who is even worse off than him, he wants to help her because she doesn't want anything from him, but he feels he can give her something...