While Shinnosuke is still under the effects of Brain's poison, he must figure out how to stop the Crash Roidmude from obtaining explosives from the Font-R company, when its president prevents the Special Investigations Division from looking into his factory.

Shinnosuke must figure out why he is being dogged by a reporter and discover who is responsible for demolishing several buildings when he cannot find the source of the Heavy Acceleration.

Shinnosuke is still followed by the reporter, who is unwillingly becoming part of a story himself.