And that's essentially the gist of it. Rich hunter Tom Newcliffe invites several people to his mansion, the reason being that he desires to hunt for a new, more dangerous game; a werewolf. And he knows that one of his guests is one. Starring Calvin Lockhart, the film was released in the 1974 to cash in the Blaxploitation craze. It is based on the novel There Shall Be No Darkness by James Blish.