Ethan Cox is poised to sell his self-driving car company when his problematic Halloween costume goes viral, nearly ending his career. Desperate to figure out a way forward, he hires a 71-year-old woman to pose as his company's figurehead.

At his grandmother's house, Scott and his friend Emily meet Rufus, a swashbuckling, furry creature who begs them to help restore his fading kingdom. Wizard Abbott's spell book contains the magic healing formula - but Abbott's ancient nemesis Lilith, posing as Grandmother's servant, wants the book too! To save Rufus' magical world, Scott and Emily must face many exciting challenges...