A series of murders in the madhouse, but Commissioner Voß has an easy time, because the perpetrators are quickly found among the patients. However, the head of the clinic, Doctor Mathilde von Zahnd, is heartbroken, as the attending physician she certifies the mentally confused patients, who pretend to be physicists, incompetence. But are the patients really what they claim to be? What secret do the three of them keep? The supposedly simple case is becoming more and more complicated. And already another murder happens.What begins as a comedic thriller leads more and more into an absurdly pointed theme piece. Against the backdrop of the Cold War and the nuclear threat, Dürrenmatt wrote a masterpiece in 1962. With questions that are still relevant today: What responsibility does the individual bear for the lives of all people?