In all four-wheel drive races, Honoka Tōshiba only uses the chariot left by his brother, so he can feel like fighting alongside his brother. Until one day, Alien is finally defeated and destroyed by another four-wheel drive driver. This shock made Honoka suddenly feel lonely and helpless, and even thought about giving up his favorite mini four-wheel drive. Fortunately, there are a group of friends around him who continue to encourage and support him, so Honoka once again Cheer up, he knows that he wants to work hard for the national championship. This is the purpose of his brother leaving the chariot to him. Maybe, the day he raises the championship trophy, his brother will come back to him... But , The difficulties ahead are definitely beyond Honoka’s imagination. Stretch, who broke with his father that year, has become a powerful new force in the mini four-wheel drive world. His racers and chariots are super strong and powerful. Unfathomable, and they all came to defeat Honoka!