While the Ivanovs are helping a woman whose husband seems to be possessed by a demon, Tamara Petrovna decides to bring variety to the family's life and buys lottery tickets. Valera is sure that nothing good will come of it.

On the eve of the summer season, Darina and Tamara Petrovna decide what they will plant in the garden. But the Ivanovs cannot come to a consensus, so they propose dividing the territory. Meanwhile, Nikita turns to the Ivanovs: his wife has begun to behave strangely. The Ivanovs see that the reason for this is the family's move to a country house.

Valera persuades her family to participate in a chess tournament. But, realizing her impotence in the game, Valera suggests to Katya to summon the spirit of the world chess champion: will magic help to win or lead to defeat? The Ivanovs are approached by a cabinetmaker who custom-makes chess pieces. An unusual damage was done to the man. The Ivanovs are helping to find out who wanted to prevent the master from working.