The game takes place in Spira during the Eternal Calm, two years after Final Fantasy X. It continues the story of Yuna, who has become a sphere hunter and a member of the sphere hunting group, the Gullwings, with Rikku and Paine. Yuna hunts for spheres to find clues about a mysterious man who looks like her lost love Tidus. However, she becomes entangled in political turmoil the Gullwings must resolve to prevent a war, uncovering a plot to destroy Spira with a secret weapon from its ancient past.

The game takes place in Spira during the Eternal Calm, two years after Final Fantasy X. It continues the story of Yuna, who has become a sphere hunter and a member of the sphere hunting group, the Gullwings, with Rikku and Paine. Yuna hunts for spheres to find clues about a mysterious man who looks like her lost love Tidus. However, she becomes entangled in political turmoil the Gullwings must resolve to prevent a war, uncovering a plot to destroy Spira with a secret weapon from its ancient past.