Summary 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.

• Crime
• Drama
• Thriller