Monsters lurk everywhere in the jungle. When an opossum, baby iguana and spider mom flee toward an abandoned lab, their nightmare has only just begun.

Separated from their families and stalked by cold-blooded killers, our heroes descend into the bowels of the lab — where any move could be their last.

On a dark and stormy night, our heroes must rely on their survival instincts to escape the lab. Will they get back to the jungle before it's too late?