Detective Martin Beck investigates the grisly murder of a police Lieutenant in his hospital room, he soon realises the urgency of the case when it turns out the killer may hold a hatred for all policemen.

• SF Studios
• Svenska Filminstitutet
• Carl-Gustaf Lindstedt
• Sven Wollter
• Thomas Hellberg
• Håkan Serner
• Folke Hjort
• Ingvar Hirdwall
• Bellan Roos
• Gus Dahlström