Dreamy narcoleptic Nemui Momoshiro and hotblooded transfer student Stella Hoshikawa team up as Cure Fancy and Cure Reverie respectively to fight off Kyoumu, monsters born from people's wishes in the bustling city of Tsukuyomi while finding out the identity of the person who keeps granting these warped wishes.

After encountering a talking bear named Mocha who hailed from the magical kingdom of Sugarland, Miyabi Ouka gains the power to turn into a Legendary Warrior, Pretty Cure, to not only fight the evil forces of Bittersweet but also to find new members of her team and the lost princess of Sugarland who may be connected to the lone Precure who protected the town a few years ago.