Brazil, 18th century. The colony of Portugal endures a decline in gold production. A Portuguese minority rules over a corrupt and autocratic society. Joaquim is an efficient soldier, famous for capturing gold smugglers. While waiting for his promotion to Lieutenant, he leaves for a risky mission in search of new gold mines - the only way to buy the freedom of Blackie, a slave he is in love with. Inspired by the true story of Tiradentes, the first leader of the Brazilian revolutionary movement.