Sorry, we have not watched this yet.
The police lieutenant Nyman is murdered in his hospital bed and Martin Beck and his colleagues have another murder to solve. They discover that Nyman was a very brutal and tough policemen who got many complaints about police-brutality. Particularly interesting is Åke Eriksson, whose wife died in police custody because of Nyman. Eriksson climbs up on a roof in central Stockholm and starts to shoot at people on the street below...
