Derrick

After an afternoon spent in Munich, Ellen Theiss, a young student from a provincial college, does not return to the institute. Her lifeless body is found along the path through the woods that leads from the train station to the college. The news of his death caused panic among the companions: six months earlier, in fact, another girl had been murdered in similar circumstances. During the investigation, Derrick realizes that Ellen's death is to be connected to the crime that took place some time before and he devises a plan to frame the killer.

Helga Landau, a waitress in a small village tavern, returns one evening from Munich with the last bus of the day, the midnight one. She learned from her doctor that she was pregnant and wants to break the news to her young friend, Erich Holler, the son of the landlord where she works. A heated discussion arises between the two young people because Erich does not want to marry Helga and, on the contrary, tries to buy the girl's silence. The next morning Helga's lifeless body is fished out of a pond.

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.