Summary Halle on the Saale. The eight-year-old Inca disappeared without a trace. While Inspector Michael Lehmann hopes to find the elementary school student alive, his colleague Inspector Henry Koitzsch has a cruel premonition. In fact, the little girl's body was discovered a short time later in an allotment. The worst has happened. Feverish investigations begin. The family environment is examined and well-known criminals also become the focus of the investigation. At the same time, the inspectors are conducting investigations into Inca's school. Here Inspector Koitzsch meets an old acquaintance: the teacher Monika Hollig - his blind date from the first episode. She too is in an emotional state of emergency. At the same time, the popular math teacher Mr. Krein comes under suspicion. He maintains a close relationship with his students and especially with Inka. Maybe too intimate? A vigilante group threatens Krein's life and puts additional pressure on the commissioners. But Koitzsch and Lehmann leave no stone unturned to find the perpetrator. In the end, the solution to the case is as surprising as it is shocking.

• Crime
• True Crime
• Drama
• Mystery
• Thriller