A documentary about Sistema Radio Venceremos, an underground radio network of the anti-government Farabundo Martí National Liberation Front (FMLN) during the Salvadoran Civil War. The station specialized in ideological propaganda, acerbic commentary, and pointed ridicule of the government. The radio station was founded by Carlos Henríquez Consalvi (Santiago).

Produced by the Radio Venceremos System, chronicles the first decade of the guerrilla broadcaster that became a crucial communication tool for the FMLN during El Salvador’s civil war. Through archival footage, radio transmissions, testimonies, and scenes of daily life in liberated zones, the film traces the station’s military, political, and cultural role, from reporting on combat operations and peasant struggles to fostering literacy, music, and international solidarity. The documentary portrays Radio Venceremos not only as a strategic instrument of war, but as a symbol of resistance, collective organization, and revolutionary memory.