Director David Lean's sweeping epic is set in a Japanese World War II prison camp where British POWs are forced to construct a railway bridge as a morale-building exercise. Yet the real battle of wills is between "play by the rules" British colonel Nicholson (Alec Guinness), who is dedicated to the project, and his American rival (William Holden), who vows to destroy it. The POWs' whistling work theme became legendary.