In order to save her family from hunger and pain. Im Jinah is willing to sign a contract. A contract that will change herlife and forever change who she is. For her family happiness, she is willingly to be a wife to a stranger, and take the role of being her twin sister, Im Rina.

Being the only son and heir of the Mins, Min Yoongi has the fame, wealth, and wife and daughter. He has everything, but after a month giving birth to his daughter,Min Ahreum. Im Rina, his wife disappear. After years passed by, his wife reappear again, and he will find out the reason why she left.