

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.
Acting
Ma Dong-seok's physical presence redefines 'gentle giant with rage issues.'
Direction
Lee Won-tae's tight 110-minute sprint—no fat, all knuckle.
Practical Effects
Brutal fight choreography that actually hurts to watch.

Director
Lee Won-tae
Trivia, insights & behind the scenes
Remake rights were snapped up by Sylvester Stallone's company before the Korean release—Don Lee was attached to star in the US version.
The real Yoo Young-chak murdered 20 people in 2003-2004; the film's 'K' compresses his crimes but keeps his m.o. of random highway attacks, reflecting Korean anxiety about unprovoked violence.
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