Seva never manages to escape from the care of her emotional, eccentric mother, who only thinks about how to improve the well-being of the family. For this reason, she constantly embarks on some adventures. This time, the restless mother figured out how to provide her son and his girlfriend with separate housing. A lifelong annuity agreement with a lonely old woman, the owner of a two-room apartment, is what you need. But the old woman turns out to be an unpleasant person and in a year manages to turn the life of Seva’s family into a real hell. Driven to despair by domestic hysterics and a quiet war with his ward, Seva thinks about finishing off the obnoxious old woman...