His Darling Sin is a novel written by Mary Elizabeth Braddon, a popular Victorian-era author known for her sensation and detective fiction. The novel, first published in 1889, explores themes of love, desire, and morality in a society constrained by strict social norms. The story revolves around the character of Audrey Craven, a young and beautiful woman who is married to a respectable but emotionally distant man. Audrey's life takes a dramatic turn when she meets the enigmatic and charismatic Francis Lennox. As she becomes increasingly infatuated with him, Audrey finds herself torn between her love for her husband and her intense attraction to Lennox. As the narrative unfolds, Audrey's feelings for Lennox deepen, and her internal struggle intensifies. The novel delves into the complexities of her emotions, her desires, and the moral dilemmas she faces in a society that places a premium on virtue and fidelity. "His Darling Sin" is a character-driven story that explores the conflicts between duty and passion, social conventions and personal desires. It delves into the human condition and the moral choices people make when faced with the temptations of forbidden love. Braddon's work is known for its exploration of psychological and emotional depth, making it a compelling read for those interested in Victorian literature and the portrayal of complex characters.