A veteran gangster looking to retire from a life of crime in the violent port town of Kuam, Korea unexpectedly gets caught in the middle of a mob war with bloody consequences.

Hiding out in Jeju Island following a brutal tragedy, a wronged mobster with a target on his back connects with a woman who has her own demons.

After barely surviving a violent attack by an elusive serial killer, crime boss Jang Dong-su finds himself forming an unlikely partnership with local detective Jung Tae-seok to catch the sadistic killer simply known as "K".

May, 1980. Man-seob is a taxi driver in Seoul who lives from hand to mouth, raising his young daughter alone. One day, he hears that there is a foreigner who will pay big money for a drive down to Gwangju city. Not knowing that he’s a German journalist with a hidden agenda, Man-seob takes the job.