The successful life of the co-founder of a large advertising agency, Andrey, has everything: an apartment in the city center, and fashionable friends, and a great future in the advertising field. But one day, a nine-year-old child appears on the threshold of his house, claiming that he is his son. Now Andrey has a difficult path ahead: to become a father without giving up his career, and, most importantly, to find the mother of a child from dozens of his former lovers.