After the events of the uprising took four years. Naomi Hunter creates the FOXAVILE computer virus that destroys the system of "Sons of the Patriots", thereby putting an end to the military economy, what turned the war into a profitable business. PMSC (Private Military Security Companies) began to protect essential people and act as peacekeepers. You play as Raiden, a katana-wielding cyborg who is forced to join the PMSC to protect his family.