A killer watches from the shadows, choosing victims and enjoying the fear he leaves behind. As Seoul faces a string of brutal murders, Detective Hwang Hyunjin takes charge of a case built on silence and patterns no one can break. Across the crime scenes, forensic analyst Kim Seungmin begins to notice what others miss-and feels the killer's attention turning toward him. Between danger and sleepless nights, trust grows. Glances linger. Comfort turns into something deeper. In a game where death moves first, love becomes the most dangerous risk of all. ships:seungjin, minsung,changlix,chanin skz,straykidsfanfiction,Chan,Minho or leeknow, changbin,hyunjin, han jisung, felix, seungmin, jeongin or in.