Dragon Cry is a magic artifact, enshrined within a temple in the Kingdom of Fiore. The artifact, that has enough power to destroy an entire kingdom, was stolen by traitor of the kingdom, Zash, and delivered to the king of Kingdom of Stella, Animus. The request of recapturing Dragon Cry was accepted by the Mages from Fairy Tail: Natsu, Lucy, Happy, Gray, Erza, Wendy and Charles; whilst in the midst of chasing Zash, they infiltrate the Kingdom of Stella. During their mission, they meet Animus' aid, Sonya... What does Animus plan to do with Dragon Cry? Sonya wants to save her country, what secret is she hiding? Within the interlacing ulterior motives, Fairy Tail fights against the danger that is the menacing world! And in the middle of this heroic battle, Natsu's instinct awakens...?! Source: Fairy Tail Wikia