Six American grad students have arrived in Africa to study apes with a renowned professor. But after setting up camp in a jungle clearing, they soon become witness to the carnage inflicted by the strange and remote species.
When a team of backpackers sets out to explore the Indian jungles, one of them is bitten by a poisonous spider and killed.
When ants, displaying never-before-seen behavior, seize an island, the controversial Thorax Team is called in to stop the massive threat, only to discover that the ants are controlled by something beyond this world.
