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.
An attractive man persuades older single ladies to emigrate to Madeira with him. After they have cancelled their accounts and brought him their money, he kills them.
Robert Becker's father wants his son to continue the family legacy and take up the practice after him. But first Robert must pass the abitur, and his father has got him a mentor.
A business man kills his lover girl when he learns that she's in love with another man. He persuades his fearful wife to give him an alibi. Now she suspects him to be a killer - and he knows that he is dependent on her fading loyalty.
Beate and Helga are anxious about their trial for theatre. To calm Helga's mind, Beate gives her a cognac confection. But how had the candy become laced with poison?