A few months after Roboenza was cured, Sheep Man was back to his job working at a circuit board manufacturer. After routine checks, he found a mysterious computer program running on one of the terminals, and on contact with the monitor, a mysterious surge of energy transformed Sheep Man! Now, with his new powers, he wants to take over the world, and has recruited 6 Robot Masters to help! It's up to Mega Man to stop his plans!