In 18th-century France, the Chevalier de Fronsac and his Native American friend Mani are sent to the Gevaudan province at the king's behest to investigate the killings of hundreds by a mysterious beast.
Facing a violent military dictatorship and an intimidated opposition, writer-turned-politician Carlos Marighella articulates a resistance all the while ousting heinous crimes of torture and the infamous censorship instituted by the regime.