Diego de la Vega returns to California to avenge his father's murder. After assuming the title of Zorro, he confronts the Governor, the malevolent leader of the Chinese community and a secret society, placing the common good above all.
Monasterio suspects that Zorro is not what the governor claims him to be. Diego and Nah-Lin feel forced to leave behind their differences and strike a truce to free the captured indigenous people. Diego uncovers a crucial clue to find his father’s murderers.