Derrick - Season 13 (1986)

Erich Schuster borrows keys to his old employer's office so that he could use the photocopier. But on the trip he runs to a situation. The Jeweler's shop in the same building is under burglary.

Herta Kolka has finished her guitar lesson. Shortly after she has left, her teacher hears gunshots and runs to the window to see her lie dead next to her car.

Gerhard Brosch has been defrauded in stock exchange speculation, and he has lost everything, including all property of his son and daughter.

Dr. Schenk has a problem. He must ask Derrick, who lives next door, to fetch some stuff from his home. He doesn't want to go himself because his wife's lover boy is there.

Jakob Lohbach, husband to a rich restaurant owner, dates one of the waitresses.

Something creepy is going on in the Weidau manor. Two young people are definitely murdered a couple days apart, but there's no apparent motive.

Arnold Bothe receives a severe head trauma and dies at the hospital. However he managed to drag himself to the phone and call for help.

Martin Theimer has capped the bottle. He has decided that he is the right man for an important role in a movie. Another actor has been selected, but Martin is insistent. All of the sudden, his path to stardom is open - but at a cost.

Dr. Kroll has been sentenced to an asylum for criminally insane for attempting to murder his wife. After years of therapy, his psychiatrist, Dr. Kraus is convinced that he is now mentally sane and able to live in the society again.