Martin Schmieder has been released from prison and when he was walking outside the prison, a woman, Stefanie Dieringer calls him and talks about his new life.She managed for him a room in a little hotel.In a factory Siegfried Wöhler, the director is not very happy the management of his son-in-law, Gerold Straub and tells him that he will be fired.Martin goes out to visits Johannes Wöhler and after that presents himself in the door the house of Siegfried Wöhler as a friend of Johannes Wöhler.On the morning the corpse of Mr. Siegfried has been found in a garage by the housekeeper: the man has been killed by two shot.Some minutes later arrives Brigitte Wöhler,the spouse of the victim.She says that Siegfried has entrusted the management to his son-in-law after his heart infarct.