When She Stole My Lover

Lim Min-young is the eldest daughter of the family that owns a corporate group. She grows up under a stepmother, and her half-sister Lim Hye-ri takes whatever was meant for Min-young as the two of them get older. Min-young learns to meet people with a cold, arrogant front and keeps the rest of herself out of sight. Choi Shi-hyuk arrives at the house posing as a bodyguard. As a boy he was helped by a girl from this family and has not forgotten it. He decides that girl was Hye-ri. He treats Hye-ri accordingly, and Min-young is the one who gets hurt by it. Min-young gives up her claim on everything the family has and leaves. Away from them she meets Hyun-woo, who has only just woken from a coma, and with him she gets back some of the happiness she had lost. Shi-hyuk eventually works out which of the two sisters he actually met as a child. He goes after Min-young to try to get her back. Hyun-woo is still with her when he does.