The movie transports the Precure into a world inside a picture book, where they are guided by Nico, a mysterious inhabitant of the picture book world.

In the city of Minato Mirai in Yokohama, the news of Fusion's defeat by the Pretty Cures is the hottest topic in town! Girls everywhere are dressing up and acting as their favorite Cures. Only Sakagami Ayumi, the new transfer student, is alone by herself. On her way home from school, Ayumi encounters a strange creature. After naming it Fu-Chan, Ayumi and the creature soon become good friends. However, Fu-Chan is actually a piece of Fusion, and holds the power of darkness. In an effort to make Ayumi happy, Fu-chan swallows up everything that Ayumi dislikes, creating chaos in school and throughout the city! To help bring across Ayumi's true feelings to Fu-Chan, all 28 Pretty Cures gather once more. When everyone's power comes together, a miraculous light starts to shine.

Just before the arrival of a certain transfer student, three students at an academy in Paldea are tasked with making a video showcasing their school. (Source: YouTube)

Based on the Emily of New Moon novel by Lucy Maud Montgomery. Emily is an orphan who gets sent to live with her relatives on Prince Edward Island, after her father dies. In New Moon she lives with her Aunt Elizabeth, Aunt Laura, and Cousin Jimmy, and learns to adapt with the help of her imagination and new friends. (Source: ANN)