Niels Ivar Dybeck was a Swedish stage and screen actor.
When a high-school girl complains of her inability to reach sexual climax, her doctor suggests that she keep a diary of her sexual encounters. She does just that and soon finds herself caught up in a sexual merry-go-round that includes making a hardcore porno film in Sweden, an escapade with a German sadist and a lesbian encounter.
In this film Beck and his team are trying to find a serial killer, whose victims are spread all over Sweden. An obvious connection is that all the victims are women, and they were all in the same class, and Beck thinks that a scandal back in the past has something to do with the murders. But no one wants to talk about the past and it becomes a struggle to find the perpetrator before the final murder - only one woman is still alive.
A group of four policemen is known for cruising the streets of Stockholm in their van, looking for drunks or criminals they can beat up with their batons. Lately witnesses saw them pick up a drunk who later was found dead. The four policemen deny any knowledge. Police inspector Jarnebring gets the case and finds out that these four policemen have been reported for 22 cases of police brutality. Shortly after, another criminal dies in their van...