Rated M - The content is moderate in impact Two clean-cut American kids, David (Naughton) and Jack (Dunne), are hiking through the English countryside. After an unsettling interlude in a village hostelry named The Slaughtered Lamb, they ignore the locals' dark hint-dropping and end up getting savaged on the moors by a marauding wolfman. Jack is killed, while David comes round in a London hospital, attended to by snub-nosed Nurse Price (Agutter) and inquisitive Dr. Hirsch (velvet-voiced Brit character actor John Woodvine). It's now that things begin to get weird. Really weird…