On the day after the college entrance exam, two girls went missing in a peaceful rural village. Only traces of murder were left, and there were no bodies. The suspect identified in this case was Goh Jeong-woo, a model student from the village and a classmate of the two girls.

Jeong-woo is investigating his mother's accident, but Detective Noh Sang-cheol starts to suspect him after learning about his identity. Ha Seol, who becomes interested in past incidents in the village, discovers unusual bones and becomes intrigued.