Paul (40 yrs old) visits his elderly parents after a long time away. While father has joined a so called free-church, mother is now in a wheelchair and never leaves the house. Paul has not been aware of any of this. He has only come to visit because he is broke and needs money. Father is about to take a trip with his church and has promised to pay Paul for taking care of his mother while he is away.

The SOKO Köln investigates the cathedral city with humor and often with hard work. Their cases take them into a variety of environments, from the Cologne clique to the terraced housing estates on the outskirts of the city.

Georg Wilsberg is an antiquarian in Münster. He used to be a lawyer but lost his license. Since then he has been working as a private detective. The always clammy Wilsberg urgently needs this income. In addition, he depends on the support of his friends, especially because of the car.

Der Kommissar is a German television series about a group of detectives of the Munich homicide squad. All 97 episodes, which were shot in black-and-white and first broadcast between 1969 and 1976, were written by Herbert Reinecker and starred Erik Ode as Kommissar Herbert Keller. Keller's assistants were Walter Grabert, Robert Heines, and Harry Klein who, in 1974, was replaced by his younger brother Erwin Klein.