In 1986, in Hwaseong-gun, Gyeonggi-do, South Korea, on a dizzyingly hot summer day, a female corpse was found beside a field. It already stank. Small town police agent Park (played by Song Kanghao) and agent Su (played by Kim Sang-kyung) from Seoul took over the case. The only thing that can be confirmed is that the female body was raped before her death. The serious lack of clues makes the inexperienced...