 With no other way home, he shares a taxi to Seoul train station with a fellow reservist and malcontent named Bum-soo (Kang Sung-jin).While at the station, Bong-gu leaves his lighter in a bathroom stall, where it is purloined by a gangster, Yang Chul-gon (Cha Seung-won).Enraged beyond endurance, Bong-gu demands the lighter back, provoking a beating from the gangster's underlings.