Fire-eaters and fakirs. Body painting. Poetry, blues and danzón. Lucha Libre, smell of speck, and three of the best rock groups of the moment: Javier Bátiz, Peace & Love and Dug Dug's. At the Palacio de Bellas Artes, on December 4, 1971, the event was called "Prometheus, Pop Show". The authorities considered it a spectacle unworthy of that venue and its existence was eliminated for decades from the official story. A whole investigation and testimonies of that great "Blasphemy" of 1971. Trilce Ediciones rescues Prometeo from oblivion and recreates it in prose, to restore it in the historical and cultural memory of Mexico.