A secret society, the Knights of Aragon, seeks to keep the United States from achieving manifest destiny and only the legendary Zorro can stop them. Unfortunately, Zorro, also known as Don Alejandro de la Vega, has problems of his own. His wife, Elena, is divorcing him for spending too much time pursuing heroics and not enough being a father to their young son. However, it isn't long before the whole family gets caught up in stopping the Knights.