Taeyeon grew up in an environment everyone desire.She's rich,pretty,smart,talented and athletic but behind everything...is the thirst for her parents love and the guilt she always have.Her parents see her as the reason why they lost their youngest daughter and even she,blames herself. On the other hand,Bomi grew up as the cheerful girl despite all the hardship in life.The family and life she knows might not be the dream everyone wants but for her,she wants nothing else but to be with them.She's contented with what she have and wish to stay like that forever. But what if the past started hunting them? Taeyeon who always carry the sorrow of losing her sister thought that it will all end once they found her but she felt more lost and abandoned.She despise her for coming back and taking everything away from her. "It's not her that's lost.It's you.You lost your own self." -Baekhyun "You want people to love you but when they do you'll just laugh at them and make them look like a fool.You're a selfish person." -Chen