Konstanz is sinking into autumn fog. Commissioner Sito, who has just buried his dog, would prefer to do the same as the city. But he is called to a dead body hanging upside down in a factory. Who is the man? And what does the beautiful painter, whom the commissioner keeps encountering, have to do with him? Then Sito comes across another dead body, and it becomes clear to him: This is just the beginning of a bizarrely staged series of murders.