The fear of the pharmacist.

In the house of the Jürgens family the son Nico is looking at an amateur video.His mother-in-law Heike is look for him,because Nico must mow the lawn.But Nico answers that is busy.Then Heike tells Ralf, her husband that Nico doesn't want to do his duty of mowing the lawn.Then appears the daughter, Sonja will meet her boyfriend in a furniture store.So Ralf says Heike that he will mow the lawn,he goes to the garden shed, opens the door and immediately calls Heike.He and Heike see the corpse of a young man inside the garden shed and call the police.The medical examiner says Rolf Herzog that the young man has been stabbed to death with a knife. Heike went away and she was looking for somebody in the banks of the river and a homeless man told her to go away.Rolf Herzog asks Ralf Jürgens who could enter in the garden shed and Ralf answered that they have only one key (the other key has been lost).Heike comes back and her husband asks why she went away.She answers that she went for some shopping.

In their house Dietlinde Staller and her son Karl were eating the supper.Then Mr. Friedhelm Staller arrives and asks for his daughter Katja Staller who went out to visit her friend Mark.Suddenly Friedhelm receives a message on his cell phone and says that he must visit Ansgar Groll.Friedhelm arrives at his log cabin, he calls Ansgar,but he receives four deadly shots.Rolf and his team arrive at the log cabin.The writer , Ansgar Groll has found the corpse and called the police.Rolf Herzog asks the writer if he has noticed anything , the writer says that he didn't notice anything special.Soon Werner Riedmann finds a revolver, Ansgar Groll answers that this is his revolver and that he has a gun permit.

12 year old Jakob is coming back home from school, but disappears, to be later on found dead. Leo Kress thinks the case is connected to another homicide that happened on the boy's school route.

Cold in the summer.

The retiree Alois Bettler is an avid amateur photographer. One day he makes a macabre discovery on one of his idyllic nature photos: a human hand protruding from the forest floor. The old man contacts Commissioner Köster, who is no less appalled than he. He arranges a dig at the specified location and finds the corpse of a young man. The forensic investigations reveal that he was shot about two weeks ago.

Till death do us part.

Maja Petrescu has come back to the farm of the Erl family.She is received by Leo Gruber who announces her that she will live in the caravan.Marius Radu told Maja that she should not come back to this farm.In the night two men intended to burn a tractor.The chief of the family Ludwig is very furious, his wife tries to explain him that he should not exploit the workers.On the morning Maja is looking for Thomas, his mother saw Maja in the room of Thomas,she only asks her if she has taken anything.Then Maja meets finally Thomas, who is happy to see her ,Maja says that she needs to talk with him.They will meet later in a place.When Maja comes back to the caravan, Ludwig appears and menaces her if she tries to see again his Thomas, then he intends to seduce Maja ,but Marius stopped him.In the night Maja looks for Thomas in a barn and she is killed by a person.

A dead woman on safari.