During a quest to confront a troublesome mage, Fairy Tail guild members find themselves scattered in an unknown town, while Haru, Elie, and their companions face a similar fate. In a stroke of luck, Elie encounters Lucy and Happy, who are in search of Natsu. Meanwhile, Haru comes across Natsu, who is battling motion sickness. Despite Elie appearing amicable, she fits the description of the troublemaker Fairy Tail seeks. Complicating matters, Natsu discovers Haru's connection to Elie and suspects collusion. As the two worlds collide in Fairy Tail x Rave, both groups begin to realize their shared traits. Amidst escalating misunderstandings, they engage in a fierce showdown of abilities, only to eventually unite against a mutual adversary.