Too many failures have pushed Giovanni to his limits. Through his anger, he learns about Operation Secret Weapon which was ordered by his mother many years ago. He begins to bring the operation to life and soon, the entire world will be at stake. But, there's only one problem, and it's because of the weapon itself.

Everyone gained a mark before going on their journey. But there was one mark surrounded by a legend, The Mark of Arceus. Only one person, the Chosen One, would gain the mark and they would be the one to restore the balance of people and pokemon. This legend has been considered a myth by most, until today.

Aura runs through everyone but only one can control it. After protecting his partner, Ash unlocks his aura but since he is the last of his kind, has no way to learn how to control it. A familiar Riolu decides to join him and a new friendship and partnership will be born. Along with some old friends, will Ash and Riolu show the world the that the aura is with them?