According to the story of the same name by Pavel Nilin. At 20, Tonya gave birth to a daughter — alone, without a husband. At 30 — personal happiness became an unattainable dream. She devoted herself to her beloved daughter. But at the age of 40, life seemed to make a circle and return to its starting point. There is nothing left to lose — which means you can take a chance, start all over again. Mom is married for the first time, and it’s hard for a selfish daughter to put up with this...

About one of the pioneers of the Russian hydropower industry, a hydroengineer, the author of daring, fantastic projects, a participant in drawing up the GOELRO plan, academician Henry Osipovich Graftio (1869-1949).

The film takes place between two revolutions - 1905 and 1917. There is no agreement in the family of the Kolomiytsev brothers, bankrupt nobles. The elder brother Yakov is mortally ill. The youngest, Ivan, a gendarme colonel, is completely confused and does not know how to get out of the situation created in the family.

Militia Colonel Kornilov is leading a complex investigation related to multiply carjackings.