Student Eva is dashing up a steep slope to try to catch a bus, but she twists her ankle and the bus doesn't wait. There won't be another bus until the next day, and so Eva returns to her parents' cottage where she has been studying by herself for several days. She finds the door open, and inside a young man, Dusan, who behaves as if he were at home. Eva is a little scared and so she pretends to be a chance passerby who can't go any further because of her injured ankle. The boy offers her a bed for the night. He also fetches some plum brandy, they drink toasts to each other, and Eva starts to play Patience.

The main character of the story is a former biology teacher named Montelík, who ends up in court when he loses his temper and hits his former student, who is the son of a prominent family. The professor finds a kindred spirit during the trial in a young aspiring lawyer who, despite the reluctance of those around her, tries to save the honor and dignity of the old professor.

Little Honzík tries everything he can in order to join the team for Spartakiada Games.

Doctor Adéla Neradová, a medical doctor, has succumbed to the desire to uncover a criminal and become a kind of Sherlock Holmes in skirts. The thankless role of her Dr. Watson has fallen to her husband Peter, a professional photographer who helps her with the cases she gets involved in, but usually gets everything mixed up.