Gangnam Blues (2015)

A crystal meth dealer with a tragic past is forced to team up with a renegade cop to take down a powerful crime lord.

An aging ex-boxer gangster working as muscle for a Boston crime boss receives an upsetting diagnosis. Despite a faltering memory, he attempts to rectify the sins of his past and reconnect with his estranged children. He is determined to leave a positive legacy for his grandson, but the criminal underworld isn’t done with him and won’t loosen their grip willingly.

Gang-pae is #2 gangster in his organization who longs to become an actor. Su-ta is a superstar actor who takes on the role of a gangster in an action movie called Rough Cut. When another actor leaves the set due to Su-tas violent ways, the production is on the verge of shutting down. Su-ta asks Gang-pae, whom he met by chance, to play alongside him in the movie in order to save the production.

Dong-chul and Ji-soo are a happily married couple. One day, Dong-chul comes home to find his house in disarray and his wife missing.

After barely surviving a brutal attack by a sadistic serial killer, crime boss Jang Dong-su is left humiliated. Determined to catch the killer known as K, he forms an uneasy alliance with Jung Tae-seok, a relentless and incorruptible detective who often disrupts his illegal business. However, while Jang Dong-su wants K dead, Jung Tae-suk is determined to bring him to justice. With a deal in place—whoever finds K first will decide his fate—the hunt begins, blurring the lines between crime and law.

An assassin named Tae-goo is offered a chance to switch sides with his rival Bukseong gang, headed by Chairman Doh. Tae-goo rejects the offer that results in the murder of his sister and niece. In revenge, Tae-goo brutally kills Chairman Doh and his men and flees to Jeju Island where he meets Jae-yeon, a terminally ill woman. Though, the henchman of the Bukseong gang, Executive Ma is mercilessly hunting Tae-goo to take revenge.

In Chinatown, law and order is turned upside down when a trio of feral Chinese gangsters arrive, start terrorizing civilians, and usurping territory. The beleaguered local gangsters team up with the police, lead by the badass loose cannon Ma Seok-do, to bring them down. Based on a true story.

Two brothers, on either side of the law, face off over organized crime in Brooklyn during the 1970s.

Detective Ma Seok-do changes his affiliation from the Geumcheon Police Station to the Metropolitan Investigation Team, in order to eradicate Japanese gangsters who enter Korea to commit heinous crimes.

After his son is wrongly accused of kidnapping, a deacon who has just lost his wife takes matters into his own hands and fights a crooked police gang to clear him.