During the renovation of the apartment, the son transports Yulia Aleksandrovna Baratova to the apartment of her late aunt, where incredible and even mysterious events immediately begin to occur. The apartment is crowded with people at night, Baratova’s family necklace disappears, and one of her new neighbors dies! It is difficult for the old lady to figure out this confusing story on her own. And it is unknown how it would have ended if not for help, again from an unknown force...