Following their bloody encounter with the Executioner, Sir Maurice Newbury's assistant Veronica Hobbes is close to death. Desperate to save her life, Newbury and Veronica's sister Amelia board a sleeper train bound for St. Petersburg, in the hope that Gustav Faberge might have the answer.

Following their bloody encounter with the Executioner, Sir Maurice Newbury's assistant Veronica Hobbes is close to death. Desperate to save her life, Newbury and Veronica's sister Amelia board a sleeper train bound for St. Petersburg, in the hope that Gustav Faberge might have the answer.