There's a girl named Sooyin. she's happy with YoSeob who is Sooyin's boyfriend. what Sooyin doesn't know is , YoSeob alreeady married with someone and has a daughter named Min. and Sooyin has 2 bestfriend named YongHwa and KyunNah. Yonghwa loves Sooyin but Yonghwa didn't know that KyunNah loves YongHwa.    What'll happen? ^^