Following the downfall of the Wicked King, the Queen of the Garden of Light suffers amnesia and materializes on Earth as a 12-year-old girl named Hikari Kujou. Teaming up with Nagisa and Honoka, who possess fresh abilities and attire, they embark on a quest to locate the 12 Heartiels, crucial for recovering the Queen's forgotten past. United as Pretty Cure once more, they strive towards this shared goal.