Someone terrorizes blond joggers; Katja agrees to be lure. The car of Karl and Herta has been stolen by Olli who is on probation; Lisbeth is still in it. Harry and Henning in a cool look. Dirk wants Lothar to do the boring tasks.
Inspector Küppers loses her job for not sanctioning PK14. Theft of exam results from the car of teacher Winkler. Pupil Nuri stands under performance pressure. Ben and Katja use the same shampoo. Lothar tries to solve a crossword puzzle.
Katja remembers her father Paul. A young man steels an old gun from shop owner Edda. It is the weapon of Paul's death. Lothar has the lead of the police station when Dirk has to serve elsewhere. Nicky studies hard to impress her father.
Two types terrorize bar owner Big Harry who wants to settle this without police. Harry is happy with his new help Lara. Lothar helps Nicky to study for her police work. She finds out information about the two scoundrels.
Unwilling Hanno is appointed as the new chief of the police station; staff decides to refuse his orders but he doesn't give any. Blackmail letters to Konradi, Frau Dellmut and seemingly to Dr. Fernandez. The Konradi-couple quarrels.
Katja saves Maria and Mirko from being send back to East Europe. Hanno watches restaurant owner Gerd, an evil type. Gerda doesn't accept that her husband Carl has a son with Maria. Maria and Till seek a robbing diver.
Au pair Svetlana is forced to work for Gerd. Nicole tries to find out more about the au-pair agency. Hanno in the meantime fights is personal war with Gerd. Küppers tries to keep staff disciplined.
Nicky skips her police test to come with Björn whose brother Boris is in trouble. Schamoni is on the dole; how could he afford a holiday in Costa Rica? Ben rents an apartment but the putative lessor turns out to be a cheater.
Miriam has a baby in the ambulance and sneaks away. Suddenly the baby is disappeared out of the hospital. The older Kutte lives on the street and wants Dirk to adopt him. Who steels post from Mrs. Wagner?
Dirk is one year station chief. Freddy is discharged from prison. His wife Mara blames Dirk for shooting her brother Robert and pushes Freddy to execute Dirk. A burglar has stolen weapons. Lothar reacts allergic to chrysanthemums.
Lisa steels to make her mother Barbara to be able to buy herself out of the prostitute scene. Sympathetic trainer Katsche has to go to prison but he feels responsible for his football team. Nicky allows an alcoholic driver to go on.