Shademan and Bubbleman went back to the past world and completely altered history. Now the world is under rule of the Darkloids. Rockman will prevent Shademan's actions, but when he heads into the cyberworld of 20 years ago, he is unable to communicate with Netto. In the midst of chasing Shademan Rockman meets up with Colonel, as well as Colonel's operator, Barrel. Rockman and Colonel fight with Shademan in order to save the future. However, an accident occures and Rockman's body is damaged by Shademan. - Heat Man