The Backlund family is going on a caravanning holiday. According to the father Gösta it is the best way to see Sweden. The son Johan does not want to do anything but bathing and the daugther Lotta don't even want to come along. You get to see the Backlunds in resturants, beaches and caravan sites. Gösta likes to rule his family but it does not go very well.
The movie begins with the Jönsson gang making a minor burglary. It goes wrong and the gang leader, Sickan, gets caught. After he has spent 10 months in jail, Vanheden and Rocky come to welcome him when he's released. But he doesn't take notice of them, and he's picked up by the mysterious banker Wall-Enberg Jr. instead. He wants Sickan to perform a burglary in Switzerland, in order to retrieve the famous Bedford Diamonds. Sickan does this but is fooled by Wall-Enberg and nearly gets caught. When he returns to Sweden and re-unites with his old gang members, he's set on revenge, both physically and psychologically...
Arthur, a university professor, and former political activist, lives in France with Francesca. They decide to hire a young man in order to help the teacher organize his notes. The employee leaves his girlfriend Ingrid and moves in with the couple.
