During the summer before seventh grade, Kaia, who enjoys living in Southern California, visiting the beach with her family, and creating movie make-up effects, makes a film with her friends to win a contest and hopefullly prevent her beloved great-grandfather from moving back to the Philippines.

When film producer Moe Block Busters offers to make their book into a movie, Iggy, Olive, and Seymour head to Hollywood where Olive, furious at being written out of the script, enlists the help of a famed femme fatale to scare the despicable director half to death.