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.
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.