A young man meets a girl at the station and falls in love with her.

Morten prepares for his studies the way his parents want him to. One day he gets to know the beautiful Theresa and falls in love with her. But he wonders about Theresa`s strange behavior. Sometimes she disappears for days and then she comes over to see him late at night. Morten notices that Theresa is lying. He follows her secretly to a casino. There he finds out that Theresa is a gambling addict. Later he even witnesses Theresa going to a hotel with a stranger who payed for her debts in the casino. Morten and Theresa argue and separate. But only a day later Theresa comes back and asks him for help. She promises to stop gambling. While Morten changes his own life and emancipates himself from his parents, it seems that Theresa never will be able to overcome her addiction.