Petr, a printing apprentice, goes to a cottage with his classmate Hanka to learn more about technology. However, Hanka has other ideas about how to spend their time at the cottage. Petr breaks up with Hanka and on his way back from the cottage he meets a young woman who offers him a ride to Prague. Jana has just run away from her cottage to escape her husband and his friends. A pure relationship develops between this couple, despite their age and social differences. In his naivety, Petr wants to introduce Jana to his parents as his bride. However, he learns that she is married to Honza...