In Active Search (Season 1)

Andrey, the co-founder of a large advertising agency, has everything in his successful life: an apartment in the city center, fashionable friends, and a great future in the advertising field. But one day a nine-year-old child appears on his doorstep, claiming that he is his son. Now Andrey has a difficult path ahead of him: 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.