Internationally a bizarre series of major robberies is occurring in which a number of devices are used to confuse the police. No clues are left at the scene to identify any of the gang members. Using booby traps to hinder the police, fireworks to dazzle and sabotaging the police squad cars the robbers have the upper hand. It's impossibe because of the rapidity of distractions to put together any kind of pursuit. Police are powerlessINTERPOL agent Larsson becomes fascinated with the robberies and collects all of the police reports coming in from New York, Paris, Berlin, and Sweden, He discovers that the MO is always the same. It seems the robberies all have set stages with perpetrators disappearing from the scene after each stage is completed. He becomes the agent in charge of a project to investigate the phenomenon. Detectives who were involved in the robbery investigations in their city are recruited to create a team to respond to the circus robberies. Lots of gross misunderstandings among the participants, false moves and injured egos makes for a fascinating crime mystery.