Farmer Heiri has sold his calf and celebrates his temporary wealth in the big city. But in doing so he is confronted with many temptations and dangers: pickpockets, second-rate artists and prostitutes who all try to grab the money of this naive man from Hausen. A 1978 recording of the well-known Zurich boulevard theatre piece.

In this Swiss film noir a private investigator stumbles onto a case involving blackmail and an oversexed, under-aged girl. He finds the girl, and, tragically, becomes involved with her.