A bank robbery goes down on a peaceful Monday morning. A foolishly brave customer rips the mask off from one of the robbers, and is shot right after. Derrick recognizes the shooter from the surveillance tape.
A couple arrives home on a cab. Stepping out and preparing to pay the fare, they hear three gunshots. Sales consult Alfred Naujocks lies dead on the street.
Erich, a drug addicted burglar, enters a presumably unoccupied apartment in search for stuff to pawn. There isn't much to be stolen, but he finds a dead young lady in the bedroom.
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.
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.
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.
