Jong-Woo (Shin Ha-kyun) went to prison four times for petty crimes likes burglary and car theft, but he now works as an auto mechanic. He has a 17-year-old son named Gi-Hyuk (Lee Min-ho (actor born 1993)), which he raises by himself. Gi-Hyuk is a smart kid, but troubled. The father and the son also do not get along. Although, Jong-Woo might appear like an irresponsible father, he tries his best and even works at night as a private taxi service.