Happiness The Bad Boy.

The film is set in the 1980s. Oyuunaa, a student who gave birth to a fatherless child, leaves her son at the door of a stranger in order to study and live. At this time, while running away from drunken youths, Tsogoo finds the child, brings him home, names him "Azjargal" and adopts him as her own son. However, Oyuunaa's mother, who many years later becomes a world-famous singer, tells the complicated story of her return to her homeland and meeting her son.