Kaj, Lennart and Robert are 30-somethings who go 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.

John-John is young and black, growing up with his mother and stepfather in a boring suburb south of Stockholm. On one of the last days of the summer vacation, they rescue 10-year old Patricia from drowning at a public bath in Vinterviken in Lake Mälaren. Her father shows his gratitude by taking them home to the wealthy neighborhood, Bromma, where he and his family lives. John-John meets his daughter Elisabeth, and instantly fall in love with her. But it's a long way to go before he wins her love and her father's consent.

When their circus tickets get swiped, the Jönsson League boys hatch a plan to steal them back, but end up suspects in an even bigger crime!