Supported by current images and national and international archives, this documentary narrates the life of the singer Amparo Ochoa, who learned music from her father, in Sinaloa. His passion for teaching, the decision to live in Mexico City, his indispensable role in the Mexican scene of the seventies and eighties, as well as his constant criticism of the government, are narrated by family and friends, such as Óscar Chávez, Gabino Palomares and Mercedes Sosa, who speak of the consolidation of the artist as a fundamental figure of Mexican popular song and feminist militancy.