Elena Mihailovna, having worked all her life in the only school of a provincial town, lives modestly in retirement. Unexpectedly she learns of a fatal diagnosis, which can at any moment end her life. Instead of an unbearable anticipation, she resolutely begins the preparation for her own death, in order to simplify the procedure for her son. She has not seen her only son for over five years because he worrks in the capital. Oleg is constantly busy, and he does not have time for his lonely mother. At the same time with all the new problems, the heroine receives as a gift a huge carp, which changes her life.
Parents lock their son at home for re-education. He is 38 years old. He is the mayor.
Maksim is so busy at work, trying to do everything and not let his boss down, that he does not notice the most important things in his life. On the anniversary of meeting his beloved girl Sasha, after an accidental quarrel with an unusual taxi driver Tamara Petrovna, completely inexplicable events begin to happen to Maksim - he will have to live his life on rewind.
