Just when Chile was experiencing the last months of the Popular Unity of President Salvador Allende, Colo Colo - the most popular team in Chilean soccer - faced the 1973 Copa Libertadores de América. This benchmark led by footballers Carlos Caszely, Francisco "Chamaco" Valdés and coach Luis "Zorro" Álamos, not only managed to play the final of this competition against Independiente of Argentina, but also, its brilliant game, dynamics and drive popular turned it into the necessary balm for the fans, at a time when the Chilean political and social situation became extremely acute. Thirty-four years later, the protagonists of Colo Colo 73 relive this Copa Libertadores campaign.