One day, the village policeman Leon Pawlak has to record an unusual report. 15-year-old Lucja reports the murder of her therapist. According to her, the crime hasn't even happened yet - but the half-orphan saw it in a dream. Therefore, Dr. Viktoria Wex sees no need for action for the time being. But that all changes when the therapist's dead body is found in a lake...

Dr. Viktoria Wex tries to solve the coldly executed murder of an IT entrepreneur.

A death in the family draws forensic scientist Dr. Viktoria Wex back from Berlin to her childhood home in Poland. But this is not the only reason for her return: Haunted by the recent murder of her husband Felix, Victoria is determined to find out who killed him and why.

Dr Viktoria Wex arrives in a town in Masuria. She is about to say goodbye to the uncle who raised her as a surrogate father. The letter she received suggests that he has decided to take his own life.