Kaj, Lennart and Robert are 30-somethings who goes out to dance every weekend. At one dance they meet Inger, whom Kaj falls in love with. Kaj has some friends who are playing in a band. The drummer Tommy is known for being the local Casanova, seducing women when ever he gets the chance. It doesn't take him long to have an affair with Inger, behind Kaj's back.
In 1920s Stockholm, young Roland lives with his socialist father, Jewish mother, and boxer brother. His mother sells condoms illegally, and from them Roland makes slingshots, which he sells. His rebellious ways have won him his schoolteacher's special attention; his teacher always makes sure he is punished. Roland also tries to make extra money by repairing bicycles; it's a successful business, but it eventually lands him in hot water.
Adam and Eva have been married for four years. But the romance has disappeared from their relationship and has been replaced by boredom and old routine. When Adam meets his brother's baby-sitter, Jackie, he is immediately attracted to her. They have an affair, but Adam tell himself that they are only friends. However, when Eva finds out that he has a mistress, she leaves him. Adam tries to convince himself that he is free again, but soon realizes that he is still in love with Eva, and must win her back...
Swedish composer/conductor Martin and concertmaster Barbara fall in love. After their divorces, they're happily married. While composing an opera, Martin is diagnosed with Alzheimer's. It slowly changes him.
The Victoria stadium 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, sees a connection that no one else sees and without understanding it she starts a carousel that in the end will threaten her own life.
