An attack on a defector (Diana Hyland) convinces the partners of her sincerity, until they also become targets.
Imprisoned with his friends in the Eagle's cellar, Diego makes false promises to convince the Eagle's men to set him free.
Diego and Bernardo must prevent the Eagle from becoming a permanent resident in the de la Vega house.
When Diego and Bernardo discover that the Eagle is smuggling cannonballs inside art treasures, they attempt to destroy his cannon.
The Eagle orders two of his agents to transport a large supply of gunpowder to Los Angeles.
