Inspired by real events, the gripping story of an unsolved crime and a corrupt system allowing mysterious businessmen to buy tenement houses with the intention of forcing out the tenants, renovating the abandoned buildings, and selling them for profit. Based on the story of Jolanta Brzeska, a well-known Warsaw activist fighting the re-privatization mafia. The peaceful lives of tenants in a Mokotów district tenement house are disturbed by the appearance of the alleged legal owner of the building. Using ruthless methods, the man forces more and more families to move out. The most determined in her fight for the right to her apartment, where her family has lived for over 70 years, is Janina Markowska (Sławomira Łozińska). When she suddenly disappears in mysterious circumstances the police launch an investigation. With little to no progress, the case is likely to be closed until the investigation is taken over by a young, ambitious officer - Anna Szerucka (Irena Melcer), who is unexpectedly asked to head a special task force. A series of clues leads the officer onto the trail of intrigue involving politicians, agents of the former secret service, and high-ranking members of the bar. An uneven fight with the system begins, with the lives and rights of expelled residents at stake.