It is the year, 2040, and the city of Metropia is in total chaos. The debase company, Maximum Inc., has invented biotechnology that is threatening to mess about with nature - causing animal extinction and ecosystem adulteration. This is where you come in because you are Kit Walker, the 24th Phantom, and you have to fight your way to get things right, or end trying. The game has many twist and turns in its plot, and a multitude of endings.