In a sprawling metropolis, a masked vigilante named Shadowblade battles the sinister tech mogul Dr. Nex. Equipped with cutting-edge gadgets and unmatched martial prowess, Shadowblade uncovers a plot to enslave the city through mind-control devices. With the help of a savvy journalist, he races against time to thwart Nexs plan and restore freedom, while grappling with his mysterious past.