A tragedy happen 18 years before; one man been killed by unknown and only one person know regarding the mystery. After 18 years a serial killer happen by the person name Kaonashi who seek for a revenge. Due to mission and obedience to her father, Song Ji Hyo has to disguise herself and seek one man who she never know. A timid orphange child who slowly become a best Detective, Kim Jong Kook a man with full of secret.Under one building, they have meet to unsolved the serial crime but the truth is something that hard to be accepted. Love, betrayal, revenge and forgiveness all mix up together and what will they choose?      ForewordHi, Im back with another Fanfics - Crime & Mystery genre with a mix of Love. Thank you for your time to read my story and your comment is much appreciated. I hope I wont disappointed you all with the story and sorry for any mistake happen. Happy reading!!   Disclaimer: All character and events in this Fanfic even those based on the real people are entirely fictional, my interpretation and delusional only. Therefore, the story should not be used as a general guide.  Me as the author shall have neither liability nor responsibility to any consequences causes by the content of this fanfic. This fanfic is used for fanfom purposed only.