sehun's life is not complete without that one missing piece although he has everything that he needs including wealth and a bright and cheerful girl as his fiancee.

That one missing piece refers to one of his worst childhood memories - the unsure death of a girl he likes.

That is the memory he has carried along with him like some dark clouds that follow him whereever he goes for over 8 years.

Because her death has never been confirmed,what if a girl who resembles her suddenly appear? 

Will that missing piece ever come back and complete Sehun's life?