Racing driver Su Nian accidentally traveled to the era of machine girls and was betrayed and expelled by his own machine girls. He picked up Xingchen, the new girl who had been eliminated, and relied on the world's top racing skills to sweep the field with unconventional operations such as ejection starts and drainage ditch turns. He counterattacked for revenge and became the king of the track. But after standing on top of the world, he realized that this world held more unknown secrets.