The city Kanemachi is filled with music. Hibiki Hojou and Kanade Minamino have grown up in this town and have known each other from childhood. But since they are in middle school they argue every time they meet ... One day the fairy Hummy from the land of music, Major Land, appears before them. The evil king Mephisto is planning to turn in the legendary musical score the "melody of happiness" in the melody of misfortune. To prevent this from happening, Hibiki and Kanade are to transforming themselves into Pretty Cure. Kanade and Hibiki, who would otherwise never agree with each other, are united as Pretty Cure as their hearts long for justice!