Lily and Dorian, rescue a young woman. Sir Malcolm continues on his journey with the enigmatic Kaetenay. Meanwhile, Ethan gets some unexpected help from Hecate. Dr. Frankenstein and Dr. Jekyll hatch a plan. Vanessa's relationship with Dr. Sweet grows but, unbeknownst to her, evil forces are tracking her every move.

Cast: Reeve Carney, Timothy Dalton, Eva Green, Rory Kinnear, Patti LuPone, Billie Piper, Wes Studi, Harry Treadaway, Josh Hartnett, Christian Camargo, Douglas Hodge, Shazad Latif, Sarah Greene, Samuel Barnett, Jessica Barden