Accept the premise of this -- and you have a suspenseful, more thoughtful than most thrillers. Hanna Carpenter, heiress and for 34 years a voluntary, imprisoned recluse in a New York City hotel, dares a look at the world outside,- ends up as a guest of a vicious blackmailer, almost sees him murdered. Back in seclusion, hunted for by the police and the killer, Hanna almost goes mad, is revealed to the public through a fire in the hotel, faces the assorted suspects, tags the killer and is saved from death by hardworking, quick-thinking Lt. Corelli. Coincidence stretching -- but on its toes.