Although Fairy Tail has disbanded and its members have scattered across Fiore, Natsu Dragneel persists in his quest to reunite the guild where he once belonged. He is joined by his comrades Happy and Lucy Heartfilia in his effort to uphold the passionate essence of Fairy Tail. Together, they confront their most difficult trial yet: the invasion of Fiore by the formidable army of the Alvarez Empire, led by a familiar figure.