"Lady Audley's Secret" is a novel by Mary Elizabeth Braddon, published in 1862. The story revolves around Lucy Audley, a beautiful and enigmatic woman who marries a wealthy widower, Sir Michael Audley. When her past begins to unravel, secrets and mysteries emerge, leading to suspenseful twists. The novel explores themes of identity, gender roles, and social class in Victorian England. As Robert Audley, Sir Michael's nephew, investigates the truth behind Lady Audley's past, he uncovers shocking revelations that challenge societal norms and expectations of women during that era.