Dieter dreams of the great career as a pop singer. His parents, both sworn relics of the hippie era, are worrying, because Dieter doesn't want to get to know any girls. So they push him to go to discotecs.There he meets Petra, who is already engaged to the heir of millions, Hilmar. But the power of their feelings is stronger and beams the couple back to the year 1972. But while Dieter comes to his senses in a shared flat in Berlin, Petra arrives in the English Garden in Munich - and both know they must find each other. Dieter sets off on a journey...