Publisher's Synopsis
Sci-fi 'creature feature' adventure. A group of friends arrive on a deserted island to take part in the sinister sport of hunting down and killing a group of criminals who have been released on the island. But the game becomes even more deadly when Dr Valerie Cammon (Polly Shannon) the sole survivor of an archaeological expedition, turns up claiming that a multi-headed killer snake known as a Hydra is stalking the island and killing off the human visitors one by one.