Don Q Son of Zorro (1925) follows the story of a framed-for-murder superhero who embarks on a swashbuckler adventure in Spain and California. With castle ruins, faked suicides, and a Native American backdrop, the plot involves a jealous rival, a romance between a man and a woman, and a quest for justice. It is a thrilling tale of action and romance.

In 1800s Alta California, a masked swordsman known as Zorro fights against oppression, using his sword-fighting skills and secret identity to seek justice. He battles against corrupt officials and defends the innocent, all while maintaining a facade of a wealthy fop during the day. Zorro's actions inspire hope in the people and strike fear into the hearts of his enemies.