Don Carlos loses heavily at poker from foreign gambler Bishop whom he believes to cheat; Zorro intervenes, but the coward shoots at him, and Victoria catches the bullet meant for him. Dr. Hernandez isn't sure how bad it is. Diego intends to let Zorro die if she does. Dying after a pistol duel against Bishop, Carlos implores don Alejandro to see that his land goes to his farm - and domestic men, but Bishop gets his claim validated by the alcalde, for a 50% 'transfer tax', and challenges Alejandro to a duel; only Felipe notices him riding in the morning and the missing ...

When the alcalde sabotages Victoria's plan to bring the Indians survival supplies by forbidding all citizens to enter the Indian land, the Yankee Joshua Barnes steps in to drive her cart. Zorro prevents a lancer shooting Joshua. Barnes buys some De la Vega land to become a farmer, but the alcalde has that annulled because he's a foreigner and has him arrested for refusing to prove his loyalty to the crown by catching Zorro. Then the three Harper brothers arrive, hoping to revenge their father Jake's dead on Joshua. The alcalde offers them to release Barnes if they ...