Two lonely Londoners - Neaera Duncan, a children's author (Glenda Jackson), and William Snow, a bookstore assistant (Ben Kingsley) - find common ground when visiting the sea turtles at London Zoo; independently of each other, both perceive that the turtles are unnaturally confined, and they hatch a plan with the assistance of zookeeper George Fairbairn (Michael Gambon) to smugg...