A team of doctors embark on a local mission in the Amazon rain forest, but it soon becomes clear that not everybody - or everything - is happy to see them. Their sudden appearance draws the attention of an animal predator, the "Boiúna."
A hapless courier is tasked with delivering a package to a remote hospital. He soon finds himself caught in the middle of an outbreak and must fight through hordes of mutated creatures to survive.
In an isolated house, a father and his son discover a painting that seems disturbingly alive. When their nightmares begin bleeding into reality, a sinister presence emerges from the canvas, feeding on buried trauma and forgotten memories.
While participating in a Sleep Experiment for Veterans, Ryan Esteban finds himself being pursued by a haunting man in gray, as he motivates others to stay sane and focus on the prize money.