The best Kwon Sang-woo’s thriller movies

A grissled cop with tendencies towards excessive force teams up with an ambitious and righteous prosecutor to track down a dangerous crime boss whom they both want desperately to catch. But their quarry resorts to devious methods to stall their investigation and eventually turn them against each other. Now the stage is set for a dangerous triangle.

Four friends bound by destiny and unbeatable in the dark world. When a casino attack goes wrong as a result of betrayal, fate turns them into enemies. Now, forced to aim the gun at each other's hearts, their unavoidable battle begins.

Dae-man is a crime enthusiast who runs a power blog about the country’s biggest cold cases. He aspired to be a homicide detective but after years of failed attempts, he now runs a comic store. He walks on eggshells around his wife for failing to provide for the family. But he cannot help himself making daily trips to the police station. One day, his best friend and detective, Jun-su, is charged with the murder. Dae-man sets out to investigate to prove his friend’s innocence. Only the washed up Detective Noh offers to help his colleague in trouble. A cold case specialist blogger’s theory coupled with field experience of a seasoned detective and the two launch a joint investigation into their friend’s alleged murder.