The city of New Rome faces the duel between Cesar Catilina, a brilliant artist in favor of an Utopian future, and the greedy mayor Franklyn Cicero. Between them is Julia Cicero, with her loyalty divided between her father and her beloved.
Growing up in post-World War II era Arizona, young Sammy Fabelman aspires to become a filmmaker as he reaches adolescence, but soon discovers a shattering family secret and explores how the power of films can help him see the truth.