One morning, Tsubomi Hanasaki is roused from sleep by her close friend Erika Kurumi, only to discover that their fairy companions, Coffret and Shypre, have vanished, leaving behind a cryptic note indicating their whereabouts. The duo embarks on a journey to Fairy Park, a place not only significant to the girls but also serving as a gathering spot for all the Precures looking forward to a memorable day together. Within this enchanted theme park lies the Rainbow Jewel, a precious gem embodying the collective hopes and dreams of the world. However, this jewel becomes the coveted target of an ominous being named Bottom, who has harbored a centuries-old desire to claim its power.