The action-adventure horror-thriller, is set against the backdrop of Brazil’s Curuçá River in the present day. When a team of young doctors embark on a local humanitarian mission through the Amazon rainforest, it soon becomes clear that not everyone – or everything – is happy to see them. Their arrival draws the attention of an ancient predator, the “Boiúna”. This ancient killer, dominant on land and water, clashes to reclaim the jungle. The ensuing fight for survival blurs the roles of hunter, prey, and hero.
