During the reconstruction of the medieval battle, the head of the commission investigating the irregularities of reprivatization of tenement houses in Łódź – Dariusz Lewandowski. The investigation is quickly forwarded to the Warsaw police department. Ola links this case with Ilona, who she still accuses of murdering her brother. The Ultraviolet team determines that Dariusz was murdered. They decide to follow the film recorded during the imitated fight to determine who attacked and fatally wounded Lewandowski.