Twelve-year-old Ada lives with her mother in a tiny town on the picturesque banks of the Oka. Life unobtrusively but clearly teaches her its lessons, and the girl learns to understand and forgive.

Oleg and Vasya used to be very close school friends. Then they lost sight of each other for a long time and met by chance. Oleg had a brilliant career. In fact, he had achieved what he wanted in life, and now he was somewhat bored. To his wife, faded for fifteen years, he is quite indifferent. Oleg falls in love (perhaps it seems to him - it is necessary to dispel boredom). And our hero decides to start a second family. The first family he does not want to destroy: there is no reason to offend his wife Galya. After all, with his "everyday cynicism" in his soul he is a sensitive kindly man...

Thirty-year-old business woman Lena Chistyakova, a formidable boss for his subordinates. The unflattering nickname "Mymra" fully corresponds to her image of a strong woman and an old maid. In accordance with the medical prescription, she makes a strong-willed decision to give birth to a child. To perform this task, Mymra arranges monitoring of subordinates in order to identify the most suitable candidate. The search for a candidate for the role of father unexpectedly ends with a random meeting with a former classmate Sergei Krylov, a successful, beautiful man, in the Prime of his life. But to like the ideal candidate, Lena Chistyakova first of all need to get rid of his unflattering nickname. To fulfill the mission of conception, Mymra takes a sabbatical at work and is hired as a housekeeper to the unsuspecting Sergei. Mastering the basics of the household in the field, Mymra comprehends a new science — how to be a modern woman.

Keshka loves his grandmother very much. One day, during a session of television magic, Keshka asked the magician to restore his grandmother's youth. It seems the magician doubled the "magical" power, and the effect of the rejuvenation turned out to be unpredictable...