From itch.io:
The Venom of Yara’Raka is an adventure designed for a mediator and three to six players, with an average duration of three hours. It includes six pre-generated player characters.
The rancher Carlos Ribeiro, forced out by the Governor’s decree and after considerable losses amongst the cane fields, quickly hired some brave adventurers to escort him and his cattle to the fertile grazing lands of Pituaçu. The way is hard and dangerous. Marta Ribeiro, the rancher’s wife, is afraid about the journey because they are bringing their newborn son. Oyapó, the expedition's Tupinambá guide, has guaranteed that the Pituaçu region is ideal pasture land and will be a good place to settle down.
The journey is hard, but things get even harder when little Oyapó is kidnapped, and your adventurers must confront a supernatural menace to rescue him!