Snakes. Impossible animals. No legs. No forelimbs. Just a pair of jaws and a body. Yet they are hunters equipped with a multitude of detection devices, and sophisticated weaponry. Able to go for months between meals, lightning fast in the strike, snakes have conquered the planet.They are the most successful predators on earth. Visit the most dangerous place on earth - an island where there is a snake for every pace you dare to walk. Enter a world where black mambas can outrun a man and where cobras spit venom accurately over 10 metres. From the ocean to the arctic, this amazing film takes an intimate look at how this astonishing species lives and thrives. 'Serpent' comes from the BBC Wildlife Specials series. Each film is a masterpiece of expertise and innovation: award-winning cameramen using revolutionary filming techniques, backed by the latest scientific research, and each features one of nature's superstars, revealing aspects of its life that have never been seen before.