Sture is a rich alcoholic who has taken a trip to Mallorca to drink himself to death. But he meets Sylvia and they start a relationship. Sture moves in with her in a middle-class community. Sylvia has an eighteen year old daughter, Eva. She gets murdered on the night between Midsummer eve and Midsummer day, and to the police the primary suspect is Sture, who was so intoxicated that he can not say what he was doing during the night.

The Victoriastadium is totally destroyed in a bomb attack and Christina Furhage, head-responsible for the Olympic Games in Stockholm, dies with it. Why did someone destroy the stadium and why is Christina murdered? The police desperately seek for clues that will lead them to the perpetrator but without any luck. As the Olympic Games draws near the situation becomes more desperate. Annika Bengtzon, a reporter for Kvällsposten, se a connection that no one else sees and without understanding it she starts a carousel that in the end will threaten her own life.