In the future the world is dominated by multinational corporations, the largest is called T.A.R.G.E.T. which researched a system to develop robots with the thinking power of human beings by replacing its internal cpu with a human soul. T.A.R.G.E.T eventually got into legal problems and had to shut down their operations. Years later, robotic activities is reported on the island Rababal and the International Anti-Terror Force decides to dispatch their best man to investigate and report about the activities. You step in as the role of Gun, a Special Forces soldier, with the mission of destroying the mysterious Target X.