The plot revolves around Ginga, whom six months after his victory in Big Bang Bladers, meets an astronomer named Yuki. Yuki is also a Blader who tells Ginga of a new tournament called "Ultimate Bladers" which is starting. He tell him that both Ginga and Yuki are Legend Bladers, powerful Bladers with a piece of the Fragment of the Star enchanted in their Beys. That they were chosen to defeat the ultimate evil, Nemesis from destorying the world. With a total of 10 Legend Bladers, the remaining eight will be entering Ultimate Bladers. Ginga, Yuki, and Kenta will have to enter to gather them in order to stop Nemesis from awakening.