Horror in which American students David Kessler (David Naughton) and Jack Goodman (Griffin Dunne) are spending their holidays backpacking around England when their adventure turns deadly. Seeking shelter from a storm at unwelcoming Yorkshire inn 'The Slaughtered Lamb', the pair are soon spooked by the hostile locals, who nonetheless warn them not to stray from the road. Sure enough, the duo become lost on the moors and are attacked by a savage animal.