The Man from Nowhere

Ajeossi is a movie starring Won Bin, Sae-ron Kim, and Tae-hoon Kim. A quiet pawnshop keeper with a violent past takes on a drug-and-organ trafficking ring in hope of saving the child who is his only friend.
An ex-special agent is involved in a convoluted drug ring drama. He has to save a drug smuggler's innocent daughter from being the victim of her parents' fight.