The year 1957 was one of the most prolific for the Swedish filmmaker Ingmar Bergman: he shot two films, released two of his most celebrated films and produced four plays and a TV movie while juggling with a complicated private life.
The young nobleman Inge is riding through Sweden, looking for his twin brother, Arild. He meets a group of gypsies who welcome him. They met Arild earlier and believe that the brother is Arild. Inge falls in love with the mysterious girl Isis.
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.
A murder of a man seems to be affiliated with the police themselves. A curse of lies, betrayal and prostitution begins to emerge and affects the relationship between everyone in the team.
