

It's a catastrophe: Doctor Light's laboratory has been invaded by Doctor Wily, who has stolen vital robot components. To make matters worse, he's taken Roll hostage! Mega Man and Proto Man set out to stop Wily and encounter Duo, the massive alien robot, who offers his assistance. Meanwhile, Bass, still furious that Wily has reawakened more Robot Masters, once again joins forces with the heroes to take down their enemies.