Ola finds out that together with her father’s half-brother Daniel, she inherited the rights to a tenement house in Łódź. However, there is no chance to get to know a relative better, because after the first meeting the man is found dead in a hotel room. Analyzing the victim’s situation and lifestyle, Michał and Beata state that it was suicide. Ola, however, is not convinced and asks the Ultraviolet team to investigate this matter thoroughly. They find that Daniel was murdered, forcing the police to investigate.