19-year-old Roland Klaas was found shot dead on a dirt road near Ludwigshafen. What did the boy want in this lonely place? Lena and Kopper find a gravel pit nearby where target practice has taken place. What is certain is that the target practice was to remain secret as all the shell casings were collected. A computer game that Roland programmed himself casts a spell over Kopper and Lena does a frightening oneDiscovery: One level of the game is based on the layout of Roland's school. Had Roland planned a killing spree at his school? What did his friend Manu know about it? While Lena and Kopper are able to find out who sold Roland the rifle and ammunition, and also who killed Roland, the case doesn't end there. Manu wants to end Roland's crime and is already on his way to school.