Based on a Nicholas Sparks novel, this drama chronicles an enduring love that withstands both war and disease. It begins in a nursing home, where a man (James Garner) arrives every day armed with a notebook from which he reads stories about a couple, Noah and Allie (played by Ryan Gosling and Rachel McAdams), to an unresponsive woman (Gena Rowlands). Who are the characters in the book, and why does the stranger insist on reading about them aloud?