At Verone Middle School, where Nagisa plays lacrosse and Honoka is a member of the science club, the two girls are in the second grade. Two Garden of Light refugees named Mepple and Mipple aid the two shocked girls get the superpowers they urgently require as they face up against a foe from the Dusk Zone. The Seven Prism Stones are sought after by the Dusk Zone and its king, Dark King, who wants to use them to dominate the Garden of Light and other worlds. Honoka becomes Cure White, while Nagisa becomes Cure Black. They form the group Pretty Cure. In order to restore the Garden of Light, they attempt to acquire the five prism stones that are already in the Dark King's possession.