In the aftermath of a devastating landslide in communist Romania's Carpathian Mountains, a team of scientists uncovers a hidden cave system while investigating the legendary exploits of the Templar Knights. To explore the depths, they recruit a team of expert divers, led by brothers Jack and Tyler. However, their descent into the unknown is cut short when an explosion traps them, and they soon discover a mysterious parasite that turns all living creatures into carnivores. As they navigate the treacherous environment, they must confront an independently evolved predator species that can fly, and Jack may be infected, putting his brother and the rest of the group in grave danger.
The Cave
A group of divers becomes stranded in an underwater cave system, where they are stalked by a deadly and relentless aquatic threat.
