Der Staatsanwalt plot
Bernd Reuther returns to Wiesbaden from Berlin, where he has worked as a prosecutor in recent years. It has been ten years since he caused an accident that killed a woman and seriously injured his own wife. She has lived in a home ever since. One day she is murdered in an arson attack. Reuther investigates the case with his son, Inspector Thomas Reuther. From then on they will work together and will solve many other mysteries.