True story about the tragic nuclear power plant accident in Chernobyl.

Forty-year-old researcher Pavel is still single. And not because he likes to be free and unmarried, but because he is very indecisive - he does not know how to meet girls. Pavel’s parents are sounding the alarm - they really want to give their son "in good hands" and see their grandchildren. But he doesn’t like those girls whom Pavel’s mother is wooing. And then one day a master takes over - a cheerful, battered and excessively sociable brother of Pavel — Gennady. He has in his arsenal one effective way to get acquainted with any girl he likes, to interest her in his persona. Gennady is getting into a rage so much that he almost gets married, forgetting about the watchful wife, who always stands guard over their long marriage...

A flutist in the forgotten past, at present the husband of a “big man’s” daughter and head of one of the Chief Directorate’s sections felt unwell one day: the forty-year-old man had a pain in his heart. This unpleasant incident provided an opportunity to meet a nurse named Lida. However, their stormy love affair ended, with Filimonov returning to normal life and an unloved wife.