A retired special agent forges an unlikely bond with his neglected young neighbor, and vows to bring the girl back home safely after she's kidnapped by violent criminals. When Tae-Shik hung up his guns to open a small pawn shop, he also shut himself off from the world. Tae-Shik prefers to live in solitude, yet he still takes a liking to his precocious neighbor So-mi, whose mother pay her little attention. When So-Mi's mother crosses a local gang of criminals who respond by kidnapping the desperate mother and daughter, Tae-Shik realizes that he may be their only hope of making it out of the situation alive. After entering into a tenuous agreement with the local mob, Tae-Shik becomes the target of an intense police manhunt and finds himself besieged on all sides. Now the closer Tae-Shik gets to So-Mi and her mother, the more his dark past finally begins coming into focus.