chunk: The final act, which returns to Grosvenor Square, resolves the many plot complications sketched above with a decidedly happy ending. Lord Goring proposes to and is accepted by Mabel. Lord Caversham informs his son that Sir Robert has denounced the Argentine canal scheme before the House. Lady Chiltern then appears, and Lord Goring informs her that Sir Robert's letter has been destroyed but that Mrs. Cheveley has stolen her letter and plans to use it to destroy her marriage. At that moment, Sir Robert enters while reading Lady Chiltern's letter, but as the letter does not have the name of the addressee, he assumes it is meant for him, and reads it as a letter of forgiveness. The two reconcile. Lady Chiltern initially agrees to support Sir Robert's decision to renounce his career in politics, but Lord Goring dissuades her from allowing her husband to resign. When Sir Robert refuses Lord Goring his sister's hand in marriage, still believing he has taken up with Mrs. Cheveley, Lady