In a dystopian near-future Seoul where corporate spy networks and criminal syndicates have replaced governments, a disavowed KCIA shadow-warrior with peerless martial prowess — driven by ruthless ambition to wrest control of the power structures that once betrayed him — becomes the unpredictable vector of a berserker contagion that turns soldiers into lethal weapons, forcing him to brutalize enhanced mercenaries and corrupt elites alike to expose the conspiracy that could crown him the architect of the new order… or watch the world implode in violent chaos.