Johanna has lost her savings book. Can the finder now withdraw the money? How secure is a savings book and what advantages does it offer the owner? What does the bank actually do with the money while it has it in safekeeping?

With the curiosity of a fourteen-year-old and looking for her first love, Pia meets a man who is playing a game with her, the rules of which she does not know and which she is not up to.