Chapter One A Terrible Scene Chapter Two Blackmail Chapter Three A Strange Will Chapter Four Mr. Hyde and Mr. Seek Chapter Five Blackmail... or Murder? Chapter Six A Lawyer's Promise Chapter Seven Detective Newcomb Chapter Eight Hyde's Disappearance Chapter Nine Hyde's Letter Chapter Ten A Study of Two Handwritings Chapter Eleven Dr. Lanyon's Last Days Chapter Twelve Conversation from the Window Chapter Thirteen The Search for a Strange Medicine Chapter Fourteen The Office Door Chapter Fifteen Where Is Jekyll? Chapter Sixteen Lanyon's Letter Chapter Seventeen The Twins of Good and Evil Chapter Eighteen The Man Who Died Twice