sentences: Tenma meets the city's obstructive and corrupt leader President Stone to demonstrate a new, advanced defensive robot called the Peacekeeper, to be powered by Dr. Tenma's best friend Dr. Elefun's newest creations, the Blue and Red Cores, two energy cores that emit respective opposing positive and negative energy.Against the scientists' warnings, Stone, desperate to win re-election, loads the Red Core into the Peacekeeper.