Shredder & Krang are still loose on Earth, but without the resources of the Technodrome, they plan to steal equipment from the abandoned Hall of Science at the World Fair. Krang's former weapons engineer, Drakus, using the guise of Beserko, also shows up to cause trouble.

A band of ninja, led by a mysterious villain named Megavolt, are stealing electronic equipment from power plants all over the city, and the Turtles are being blamed for the crimes. The Turtles must find a way to defeat Megavolt & clear their names before it is too late.