Martial Arts Detective : Chinatown (2015)

The battle between action masters is about to begin!

Chinatown is a place where crime and betrayal are rampant. Violent crime detective Ko Jeong-hyeok (Seo Joon-yeong) can't rest a day. He tries to rid the streets of criminals but he's to busy cleaning up his own mess because of his habit of using physical violence first.