Mangang

It is a remake of 'Love Song', which aired on KBS in the mid-1980s, and is a historical drama about the life of Mangang, who was born to a nobleman and a female servant. Ok-dan, the female servant of Kim Saeng-won's house, has Kim Saeng-won's child and is tortured by Kim Saeng-won's wife, who suffers from her jealousy while she is full term. Her Okdan, having a foreboding of her fate to be left for her own child, dies, leaving her request to change her son with her own child and her son Kim Saeng-won's wife. Years pass and the two children grow up as young men with their identities reversed, but an unexpected misfortune awaits them... Later, Man-gang deceives their identity and falls in love with Bo-ok, the daughter of a noble family, and takes the exam in the past.