During the WGP's Royal Festival Cup, an unknown machine called the "Gun Bluster XTO" and its owner Rion Cusco appears racing without control and causing various riots with fellow racers. This makes Go's Cyclone Magnum reach the goal but a dissatisfied Go and the TRF Victorys decides to pursuit the situation. This was all due to the Gun Bluster's special GP Chip invented by Professor Cusco gone haywire while emitting strange EM waves, making the machine a powerful weapon. To avoid further destruction to the city, Professor Cusco decides to destroy the machine before a rival association acquires it. It's up for the TRF Victorys and Rion race together and safely halt the Gun Bluster before its too late!

暴走迷你赛车大追击，故事发生在第一届迷你赛车世界杯期间，一辆装有新型GP晶片的超级赛车X`TO因不受控制而暴走。军队想要毁灭它。车的主人里昂和小豪等人为拯救X`TO踏上了追捕的道路。赛车与赛车之间，车手与车手之间在追捕的过程中产生了真挚的友情。