Taking place two years after Yuna's fateful journey to defeat Sin, the once chaotic world "Eternal Calm." The people of Spira now shun the teachings of Yevon and have opened their arms to former foes, the Al Bhed and the use of machina. It is a time of the "Machina Revolution" where people now believe that machina is useful and beneficial, as long as it is used properly. However, even with the peaceful life they now lived, there is emptiness in Yunaís heart that is keeping her from moving on as the others have. One day, Yuna obtains a mystical sphere that contains imagery of what might be the Blitzball player she thought was gone forever. Although Yuna isnít certain that it is him or if he is even alive, she's driven to seek him out. Yuna needs closure to their unexpected parting, even if only to find that she will never see him again. So begins her journey, this is Yuna's story.