Paul Kranz, the manager of a TEE that had just arrived from Hamburg, received terrible news in Paris. His wife Ruth is in a coma after a serious traffic accident. Mr. Kranz will return immediately. He finds an unknown key in his wife's purse. It belongs to an apartment where Ruth, obviously with someone else, has led a strange double life as a call girl. In his shame and disappointment, Kranz allows himself to be carried away into a knee-jerk action. This is how a crime happens without intention.

A young woman, just turning 19, is ready for anything, including fullfilling her dreams and fantasies. But two young men, Klaus and Stephen, are after her with their raging hormones to lead the way. The young lady learns to grow up fast, though, when strange occurences and new people enter her life, including more and more men.