A woman dies alone in Ipswich, tormented by a secret from her past. Clues lead to the death of Edmund Gurney in Brighton three years earlier. Work has dried up for Private Detective Lawrence Harpham and his partner Violet. Lawrence takes the opportunity to visit Brighton leaving Violet to conduct her first solo case in Suffolk. Both inquiries lead unexpectedly to Whitechapel and the murder of Frances Coles. Was Frances a Ripper victim and is her murder linked to the autumn of terror? Jack is back - or is he?