As Hollywood's Golden Age is winding down during the summer of 1969, television actor Rick Dalton and his stunt double Cliff Booth endeavor to achieve lasting success in Hollywood while meeting several colorful characters along the way.

Teenager Deacon works at a video shop, and his buddies, Fred and Matt, sell the bootleg porno films he acquires. Deacon gets fired, but the pals have the bright idea of filming their own Internet porn flick in order to make money and become more popular at school. Hijinks ensue as they cast and create their movie, but porn industry player Vic Ramalot grows jealous of their burgeoning success and tries to put a stop to the project.

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.