Mia Thermopolis is now a college graduate and on her way to Genovia to take up her duties as princess. Her best friend Lilly also joins her for the summer. Mia continues her 'princess lessons'- riding horses side-saddle, archery, and other royal. But her complicated life is turned upside down once again when she not only learns that she is to take the crown as queen earlier than expected...

A judge gives con-man Tom Turner a choice—a jail sentence, or a year of honest work. But when he gets a job in the U.S. Post Office's dead letter office, he starts a Good Samaritan con by answering letters written to God. His seemingly virtuous work inspires his co-workers to do the same, but their good deeds are frowned upon by the postmaster general—and the cops.