Mega Man has dedicated his existence to helping humanity. Every day he struggles against his coding to grow and become more like the humans he's sworn to protect. But a hundred years in the future, the super-advanced robot X has bridged the gap between man and machine. The first truly living robot, he has been the catalyst for the rise of the Reploid race! A weapon built by Dr. Wily, long thought lost, threatens to arise and cause mass chaos! It's an adventure that spans a century as Mega Man and X struggle to stop the mechanical menace and save the day!