The couple Suzanne and Lars live a quiet life in the countryside outside Stockholm. But when Suzanne cancels an important tennis match at short notice, her tennis partner becomes suspicious and calls the police.

In the summer night in Värmland, a fight degenerates and 21-year-old Harout is fatally stabbed. The police are now beginning to suspect that a drama of jealousy may be the key to finding the culprit.