Berlin center. The linchpin of international espionage.
Wrinkled trench coat, felt hat and even in winter with sandals, KHK Bruno and his colleagues try to solve the murder of a high-ranking official of the federal government. The research turns out to be difficult, because every time you have advanced a step, a dead person appears again and directs the inquiries in a new direction.
Intelligence services, from different nations, move in the Berlin urban area and throw smoke candles into the police investigation.