Group of unlikely friends decide to cheat on the final exam of the night school for privileged kids, but instead they unearth something completely unexpected.

Ganaa, a city boy who has just finished 11th grade. Tsovoo, a naive girl who came to the city from the countryside to study. They both unfortunately lost their first year of student fees. They choose the easiest way to make money. Sergeren, the director of a money-making company, seduces young girls. His wife Namuunaa loves her husband very much. Because she blames herself for not having children until she was 30. Sergeren Tsovoo and Namuunaa Ganaa meet by a strange coincidence and cause a problem of 650. In the next room of the hotel, his wife is having fun with a guy 10 years younger than her, while Sergeren spends the night with a girl who is out of her league.

A childless couple adopts another family's only son, hoping to build the family they've always dreamed of. But fate takes a cruel turn, and they lose him. Just when they think their lives are empty once again, they are blessed with a biological son. However, the past comes knocking— the family that once gave up their only child now returns, seeking to take the couple’s son as their own.