Watch La belle dame sans merci for Free: How to Stream the Movie Online at 123Movies. . 1819. A shipwreck-survivor, the Navigator, encounters an Old Knight who recounts his tale: Long ago, the Knight fell in love with a mysterious Lady. But in a dream he saw her true form and begged his release. Awoken and alone, he realized his failure. Thus he has waited, kept alive for centuries by his regret. Based on the John Keats poem of the same name.