Kwon Yul is a 22 years old male who just came back to Korea from an buisness conference. After 2 years, he realised that his younger sis and her gf commited sucide. When he started digging out the cause of her sister's dead, he realised strange things happening to the Jung Sisters. What happens next is the plot of the story.....

Couples featured: Yoonfany, Yulsic, Eunji, Kryber