Based on a true story, C.S. Lewis is a world-renowned writer and professor. Unmarried, he leads a gentlemanâ‚‚s life filled by intellectual pursuits, remaining untouched by any great passion until he meets Joy Gresham. Slowly he opens his heart to this woman, and their romance shatters the walls of his cloistered world. But life is made up of delicate balances, and Lewis must confront a terrible truth: that a heart awakened to great love is also opened to great pain.