- Genre: Mystery, Fantasy, Thriller
- Country: South Korea
- Audio: LE-Production, Eng.Original, Korean. Original
- Director: An Dzhu-yon
- Cast: Li Su-khyok, Li Da-khi, Arin, Li Gvan-khi, Li Khan-dzhu, Li Yn-sem, O U-ri, Nam Gyu-khi, Cho Khan-chkhol, Chon Dzhe-gvan
- Description: Red threads suddenly began to appear above people's heads, linking them to those with whom they had sexual relations. Detective Han Ji-uk takes on investigating the circumstances of this...