"Listen: Billie Pilgrim has come unstuck in time." The opening words of the famous novel are the quickest summary of this haunting, funny film. Director Hill faithfully renders for the screen Vonnegut's obsessive story of Pilgrim, who survives the 1945 firebombing of Dresden, then lives simultaneously in his past as a young American POW, in the future as a well-cared-for resident of a zoo on the planet Tralfamadore, and in the present as a middle-aged optometrist in Ilium, N.Y.