Beginning, middle, and end—the three essential parts of a story. When a story, or in this case a movie, seems to be missing one of the three, it makes us wonder why, draws us in deeper into the story, and forces us to conjure our own ways of filling in the blanks. Sometimes leaving a story in the hands of the audience falls flat but in Z for Zachariah, the up-in-the-air twists and turns creates room for profound reflection.Ann (Margot Robbie) thinks she’s the last person on earth, the sole sur...