Min-gyu and his wife Sang-hie have been raising their friend's son as their own for years, never imagining that the friend would one day turn up on their doorstep to claim his child....
Yu-mi resents the fact that her husband never comes home at night--even on their first wedding anniversary. She begins an affair with a man named Hyeol, not realizing what will occur when her husband finds out....
Yeong-mi swears that she will revenge herself against Ku Yeon-su after he ruins her family. First she gains his trust and eventually moves in with him. Then she sets her plans of his destruction in motion....
