Jang Dae-Ho, the infamous vice president of the Nine Snake Family gang overthrown after 'the purge', was disposing of dead assassins bodies in the ruins of the grand earthquake that struck the forsaken city of Kana when he found a starved and nameless orphan. Taking him under his wing and giving him the name "Gwangnam" would be the catalyst for a long and bloody revenge journey under which the name "Killberos" began. Thus, this is the dark story of Gwangnam's crime infested upbringing, riddled with the many street rivalries and gangs' power struggles that preceded the formation of the fence project and "Killberos", the guard tribe, as we know it before his passing.