Based on the biography of Luiz Gama, one of the most important characters in Brazilian history, a black man who used the laws and courts to free more than 500 slaves. Born of a free womb, Gama was sold into slavery at the age of 10 to pay off his father's gambling debts. Even as a slave, he became literate, studied and earned his own freedom, becoming one of the most respected lawyers of his time. An abolitionist and republican who inspired an entire country.