To save Josuke and Koichi turned into paper sheets by the Enigma stand, Yuya Fungami decides to launch Highway Star with their enemy's kits! But it is clear that the latter has more than one trap to reach him. Meanwhile, Hayato, the son of the Kawajiri, is increasingly suspicious with his father, that he thinks he is a usurper. He then decides to follow him in hiding, and what he discovers confirms his most sinister suspicions!