Supergirl, Bumblebee (comics) and Batgirl are all excited for the Intergalactic Games and win the championship for Super Hero High. However, they are interrupted by a call for help in the city. Supergirl, Bumblebee and Batgirl investigate to find humans being attacked by three robots; two male and one female called Platinum. With the arrival of Starfire (Koriand'r), the robotic trio give Batgirl an idea to magnetize them. At Super Hero High School, it is revealed that Platinum and her cronies were part of an experiment to give machines more human emotion and free will, Metal Men as well.