Berlin in fear and terror. Within 24 hours two people are shot at random. An innocent psychotherapist and a cook, two people who at first glance seem to have nothing to do with each other, have become the target of a sniper. At least this is the theory of criminal director Kessler, which is confirmed by a blackmailer's target. Schumann, who has the SLK director of operations Hendricks at his side for reinforcement, does not believe in the random murder principle for long...