Hecate and Ethan travel across the desert, struggling to survive, while the marshals follow them and Malcolm and Kaetenay follow the marshals. In London, Victor and Henry continue their experiments to perfect Henry's serum.

Kaetenay returns to London with Ethan and Malcolm to prevent the darkness that he has foreseen. Meanwhile, Vanessa realizes who Sweet really is, while Caliban is reunited with his family. Elsewhere, Dorian grows bored with Lily's revolution and makes his own plans.