A group of friends head to a deserted Caribbean island for a surprise overnight bachelor party only to discover that the island isn't deserted. It's actually the home to a secret medical facility. Not only that, there's something wrong with the water surrounding the island...

A group of friends head to a deserted Caribbean island for a surprise overnight bachelor party only to discover that the island isn't deserted. It's actually the home to a secret medical facility. Not only that, there's something wrong with the water surrounding the island...