In the shadow of Cold War geopolitics, a chilling network of power and ideology is exposed in this gripping documentary. "Under the Flags, the Sun" meticulously traces the clandestine connections between some of the 20th century's most formidable and controversial leaders, including Paraguay's Alfredo Stroessner, the United States' Lyndon B. Johnson, France's Georges Pompidou, and Argentina's Jorge Rafael Videla. Through a sobering examination of declassified documents and archival footage, director Juanjo Pereira unveils a complex web of political and economic support that sustained authoritarian regimes across continents. The film delves into the motivations of these figures, driven by anti-communist fervor and realpolitik, as it outlines a global story arc where diplomatic handshakes and military aid often masked darker collaborations. Crafting an atmosphere of tense revelation, this documentary presents a sobering look at how alliances were forged under the banner of security, challenging viewers to reconsider the true cost of political expediency during a divided era.