Brazil received roughly ten times as many enslaved Africans as North America did, an estimated four million people brought to work sugar and later coffee plantations and the mines of Minas Gerais. Director Phil Grabsky sets that number against the country's postcard image of carnival, samba, and football, using contemporary testimonies and archival material to reconstruct what plantation and urban slavery actually looked like: squalid barracks, disease-ridden port cities, and a labor system so punishing that most Africans transported to Brazil survived only about seven years. The film follows how those who did survive built a culture that fused African and European traditions, and traces that fusion forward into the music, religion, and daily life that define Brazil today. Rather than treating slavery as a closed historical chapter, the film argues it is the foundation the modern country still stands on, visible in who holds wealth and power and who does not. It closes by asking what a nation owes the descendants of the people who built it.