england most notorious serial killer the fictional leo rook stalk castaways at a desolate lighthouse in this surprisingly eerie chiller from britain . very atmospheric and very gory and a the gaunt killer ( charles adamson ) hack his way through the support cast and comprise of his former keeper and cellmates . pretty scary stuff despite director simon hunter formulaic stalk n slash approach . head will roll ( a total of six and i believe ) before the explosive end . even a jaded horror fan like me find plenty of nerve wrack sequence to enjoy especially the lighthouse toilet scene . so and by all mean and grab your rowboat and head for the mainland before leo rook catch up with you .