5. I Saw the Devil
I Saw the Devil is not a film for the faint-hearted and is extremely explicit in its depiction of violence. The wife of secret agent Kim Soo-hyeon is murdered in the most brutal way, and now he is searching for the killer to take revenge. But this revenge is not just simple killing; he wants to make the serial killer pay for what he did to his victims.
The film explores the transformation of the secret agent who confronts pure evil and becomes a monster himself. Lee Byung-hun plays the silent secret agent. However, the true star is Choi Min-sik, who embodies the insane serial killer.
The film has a rating of 7.8 on IMDb based on 138,614 user votes.
4. Memories of Murder
Memories of Murder is a thriller that reminds one of films like Zodiac. The film deals with the true story of the first serial killer in South Korean history, who murdered between 1986 and 1991.
Detectives Doo-man and Seo Tae-yoon must work together to find the killer. For the two, it is particularly difficult since such a case had never occurred in Korea until then. The film mixes scenes full of hope and despair, captivating the audience in the investigation.
Memories of Murder has an impressive rating of 8.1 on IMDb based on 199,052 votes.
