Mu-hyeok Hong (Lee Beom-Su) is the 18th generation descendant of Hong Kil-dong (famous Robin Hood like character). By day, Mu-hyeok Hong works as a high school music teacher, but by night works as a Hong Kil-dong like thief. His rival is Jeong-min Lee (Kim Su-Ro), a cold blooded businessman known to bribe politicians for personal gains.