 In his search for a blue diamond once owned by Louis XVI that was believed to have gone down with the Titanic, Brock Lovett discovers an intriguing sketch of a beautiful woman wearing the diamond on her neck. When the sketch appears on a news program, an old lady steps forward, claiming to be the woman in the drawing. She then recounts a beautiful story that took place on the ill-fated ship, a story of love that knew no boundaries.