Vincent Lubeck is a vicious ex-convict. His criminal activities are despised by his family, but he uses and abuses them in the course of his crimes. Eventually his own brother must stand up to him.
After her father is murdered, a girl joins the police force in an effort to track down the killers.
Bettina Sanden, a solo dancer at the opera, falls ill with polio. The chances of a cure look rather slim.
