Sir Michael Audley is a fictional character from the novel "Lady Audley's Secret," written by Mary Elizabeth Braddon in 1862. He is portrayed as a wealthy and kind-hearted gentleman who becomes enamored with Lucy Audley, a beautiful and mysterious woman. Sir Michael is depicted as a devoted husband, but his life takes a dramatic turn as secrets unfold around him. As the story progresses, Sir Michael's character is tested by the revelations about his wife's past and her true identity. His love for Lucy is challenged by the growing suspicions of those around him, leading to a gripping exploration of trust, betrayal, and the complexities of human relationships.