The plot centers on Nam Ki Jun (So Ji Sub), a former member of the Bon San gang who rose to power through brutal battles against rival gangs. Despite the gang's success, Nam Ki Jun decides to leave and live a peaceful life delivering drinks. Meanwhile, his younger brother Nam Ki Sok (Lee Jun Hyuk) joins the rival Juun gang. Tragically, Nam Ki Sok is betrayed and killed, prompting Nam Ki Jun to return to the world of gangs after 11 years to seek revenge and uncover the truth behind his brother's death. Fueled by anger, Nam Ki Jun embarks on a relentless mission to avenge his brother's murder.
