The document summarizes the plot of the Pixar film Cars and discusses Vladimir Propp's theory of character archetypes in narratives. It describes the equilibrium of Lightning McQueen's racing success, his disruption when he gets lost in Radiator Springs, and his work to restore order by helping the town and racing again. It then outlines Propp's character roles of Hero, Villain, Heroine, Father, Helper, Donor, and Mentor, and provides the characters fulfilling those roles in the Pixar film Monsters, Inc.