In the era of American occupation in the Philippines, Fernando Poe Jr. stars as Teodoro Asedillo, a nationalistic school teacher who transforms into a revolutionary leader. Asedillo's unwavering belief in social justice and workers' rights leads him to challenge the oppressive system. Dismissed from his position as a police chief due to his principles, he forms the Anak Pawis movement, fighting for the rights of the oppressed.

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