Director Burckhardt is found shot just after making the moves on Gisela Ostercamp, the wife of a business colleague. When the criminal investigator Haupt inspects items in the apartment of the dead man, he comes to the conclusiong that Gisela herself is the murderess and accusations start flying between the married couple. The murdered man's brother, the lawyer Burckhardt, steps up to act as defense counsel for the woman, with whom he has learned to love in the meantime.