A new high-rise tower seems to offer its dwellers everything necessary for a comfortable life, starting from supermarkets and beauty shops to swimming pools and elementary school. But different social status of its residents increases tension between them. The growing hatred forces people divide into warring clans, fighting for staircases, elevators and food stocks. Curiously enough, the news about the current events do not leave the walls of the building. The residents find a strange pleasure in their new way of life and carefully protect it from the attention of strangers. With time, they cease to leave the building completely, turning it into a closed world that lives by the laws of jungle, where every night can be the last one, and the norms of morality and ethics stop working along with electricity and water supply system. The main characters learn about the darkest sides of their personalities amid the chaos, and only their own actions determine who will survive and who will be sacrificed to the building that has become a tomb for many people.