An assassin is foiled while trying to kill Princess Gracious of Ambrocia. The assassins know that some racer flashed his mirror, blinding the assassin. It was actually Racer X, but they assume it was Speed and try to take him out with a bomb plated in the Mach 5! After being warned about it from Spritle, Speed is able to defuse the bomb in time and discovers a plot to blow up the President's speech by the assassins. Speed rushes to save the President's life but the bomb goes off!