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.
Accounts of Zorro appear in The Californian, which helps Ivanova find the missing piece to her plans. Diego gets a final warning from one of Nah-Lin's men that puts at risk his secret identity.