Today marks Nozomi's birthday, yet Bunbee interrupts with frantic energy by chasing a girl from another realm, Chocola. After Pretty Cure saves her, she expresses heartfelt gratitude by escorting them to her homeland, the Dessert Kingdom. In this utopia of sparkling juice rivers and candy‑laden trees, they settle in blissful comfort. Suddenly, the malevolent Mushiban and his lieutenants Dry and Bitter appear, intent on conquering the realm and turning Pretty Cure into confectionery and the kingdom's fate threatened. To protect Nozomi"s celebration and preserve the entire Dessert Kingdom, Pretty Cure must confront Dry, Bitter, and even their ally Coco, who has been brain‑washed by Mushiban's dark influence in a sweet, sugary nightmare for good.