An architect wants to rebuild New York City as a utopia following a devastating disaster.

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.

The story of Gary Valentine and Alana Kane growing up, running around and going through the treacherous navigation of first love in the San Fernando Valley, 1973.