In the middle of the night Benni escapes through the window to meet his school friends Louisa and Henrik to go the discotheque: they go with their bicycles through a shortcut and suddenly they see a figure digging a hole. Benni sees the car registration and they go away. On the morning Jan Maybah tells that he found his son before the discotheque. The team receives a call about a corpse in a forest. The dead man is Herbert Fenselau, a real estate agent. At the same time Benni, Louisa and Hendrik skip the school to return to the place and they don't find anything. But Benni remembers the the car registration and phones to the police on behalf on his father and they answer that the car belongs to Bernd Brockwitz. Louisa and Benni go and spy the house of Bernd Brockwitz. The commissioner and Jan Maybach visit Mr. Fenselau who just was cleaning his house, she went to the garden and let pieces of earth in her house. The wife listens to the notice of the death of her husband and only says what she live now without him. On the office of Herbert Fensela the secretary who had a love affair with Herbert said that Mr. Fensela came yesterday, had a quarrel with her husband because he spoke with her about his love affair. Suddenly appears the former boyfriend of the secretary, Malte Meyer, who is very angry. They take him in for questioning.
—zutterjp48