Directed by Bong Joon-ho, Memories of Murder (2003) stars Song Kang-ho and Kim Sang-kyung. Based on the real Hwaseong serial murders, the film follows two detectives investigating a series of brutal killings in rural South Korea during the 1980s. Blending police investigations, mystery and psychological tension, the film became one of the defining works of modern Korean cinema.

Från IMDB:
In a small Korean province in 1986, two detectives struggle with the case of multiple young women being found raped and murdered by an unknown culprit.