A businessman Will Martin tries to uncover a family secret for his grandmother Ruth Martin after he returns to a small town to modernize his family's real-estate company. During thanksgiving dinner his grandmother Ruth tells him she has discovered a woman named Lillian in her recently deceased husband Warren's journals. Warren had written about visiting Lillian every Christmas Eve since shortly after the death of his son and daughter-in-law in a car accident. The search for this mysterious Lillian takes Will on a journey through his grandfather's life and helps him to understand the true meaning of love and forgiveness.