"The Great Divorce" is a philosophical and allegorical work by C.S. Lewis that explores the concept of heaven and hell. The story follows a narrator who takes a bus ride from a dreary, gray town, representing hell, to a vibrant, beautiful land symbolizing heaven. The narrative examines the choices individuals make regarding their souls and the nature of good and evil. Throughout the journey, the narrator encounters various characters who represent different attitudes toward sin, redemption, and the afterlife. Each character's story illustrates the struggle between self-centeredness and the desire for divine love, ultimately highlighting the importance of free will in determining one's eternal fate.