Three Swedish actresses work as waitresses in Oslo one summer. They use all their wits to get as much tips as possible. They plan to start a company and buy a house. They come to be our guides in the film and reveal a world of people doing things they don't want to do, playing roles they don't know why they're playing.

A couple of brutal and mysterious murders point to Uppsala University. Johan, a last year student at the police academy, gets involved in the investigation. He enrolls a course at the University in order to, under cover, track down the killer.