Stunning espionage documentary on the US conspiracy that led to the 1964 Brazilian coup d'état. John F. Kennedy and Lyndon Johnson original White House tapes, and CIA Top Secret documents reveal how the US government planned to overthrow Brazilian elected president João Goulart.

The Prologue focuses on the use of political propaganda shown in the cinema and the television in the 1960's and throws light on the short films cult that were exhibited before the cinema sessions in Brazil.