Seunghyun and Sandara was a sibling.They were separated when they were seven years old becuase of thier parents divorcing.Seunghyun ended up to his mother and Dara was left with her father.Seunghyun promises Sandara that they will see each other again leaving a leaf flower necklace.For Sandara,she will keep it forever because that's the only way to prove they are forever sister and brother. But what will happen if both of them meet after a long time,and have different lives,one was poor and one was rich.Will they still love each other like what it used to be back then or will they find themselves falling inlove? Hmmmmmmm......