"The Lady from Shanghai" 4K (1947) is a classic film noir in which Orson Welles creates a complex and fascinating picture of the underworld, where the truth is always in question. Michael O'Hara, the main character, accidentally meets the mysterious and seductive Elsa Bannister, and his life changes forever. Soon he finds himself involved in a dangerous intrigue, where the key figures become greedy and conniving characters. The intricate plot, in which love, betrayal and murder intertwine, unfolds against a backdrop of beautifully staged scenes full of visual and emotional contrasts. This movie is a vivid example of Welles' skill, demonstrating his talent for creating unpredictable and psychologically complex plots that leave a lasting impression on the viewer.