Eccentric multi-billionaire Woodrow Ravencroft owns amusement parks all over the world, but none of them are like the one on a private forest island somewhere in the Pacific Ocean. For one weekend, he brings in several people to test the park, to prove it's safe for public use. However, with such creatures from all over the world, nothing will go as planned. More than ever, this place will live up to its name, as the monsters are unleashed and blood is about to be shed !