Autumn is never loved by her mother Wendy, but Wendy suddenly arranges for her to marry Charles, a wealthy CEO. Turns out Charles is notorious for being a playboy, and Autumn is actually asked to marry him in the name of Yvonne, her half-sister who is supposed to be the bride. Charles is cold and distant, and the couple agrees to have a contract marriage only. But as their lives entangle more and more, he gradually finds out her real identity, and finds out he is drawn to her when he feels jealous seeing her chatting with her childhood sweetheart. Their marriage begins as a deal and a lie, but becomes a genuine one with mutual understanding and true love.
