Saki Hyuuga, an athletic softball ace, and her quieter friend Mai Mishou are chosen to become Cure Bloom and Cure Bright, magical defenders of the Land of Fountains, five years after they first glimpsed two mysterious lights near the Sky Tree as children. Guided by fairy partners Flappy and Choppy, the two fight to keep the Fountain of Sun out of the hands of Dark Fall, the dark realm ruled by Akudaikaan. Splash Star introduces an entirely new heroine pair, separate from the previous series' cast.