Thanks to Sharuru, a fairy from the Trump Kingdom, and the power of mysterious accessories called Cure Lovies, Mana transforms into Cure Heart! Mana, her close friend Rikka, her high-class childhood ...

To protect the peace of the world, other legendary Pretty Cure soon joined her in battle! A mysterious baby also appears, making each day a "Heartthrob" experience! The 4 Cures, always holding "love" ...