18-year-old school boy Helmut falls in love with fellow pupil Britta. He starts working for a Peace movement to get to know Britta. Britta, however, suddenly moves to San Francisco to live with her father and whilst there, finds a new boyfriend. Helmut studies, literature and politics in his home town and have a relationship with another girl from his former school, now studying medicine at the same university but they break up after having an affair with her roommate. Helmut begins a lot of short affairs with different women but still searches for his first girl.
Jonas is in his mid-twenties, still lives with his parents and gets dumped by his girlfriend. He soon gets to know Lena, a tough young woman with ideals, and immediately falls in love with her. However, to prove he is worthy of her love, he has to pass an endurance test.
