Agnieszka is investigating a girl’s death in Opole: all evidence points to ritual murder. At the time, Piotr was teaching religious studies there.

Agnieszka comes across a similar murder from months prior. Meanwhile, Ewa becomes an easy target for Piotr, who still watches her every move.

Exhausted Agnieszka has a theory about the perpetrator of the crimes and is convinced that he has already begun his search for the next victim.

Wojtek and Agnieszka find Ewa in the forest. Can they save her? To assist with investigating the religious aspects of the case, the police engage a specialist, Piotr.