A story about mothers and their achievements through a mother who was once a Taekwondo champion but is now an ordinary mother with an adolescent son.

Korean family made up of taekwondo experts moves to Thailand, where they set up a taekwondo gym. However, one member of the family, Taeju, wants to become a famous pop singer instead. The family becomes famous after stopping treasure robbers.

Haedanghwa, a beautiful woman, comes into the life of a single father and his three grown-up sons all of sudden! The abandoned woman, who does not have any memories about herself, begins her precarious cohabitation with the family of four men. And this is how the intense battle among four men to earn Haedanghwa’s heart begins. However, the story starts going towards a completely unexpected direction as a group of suspicious men appear.