Diana and Matthew's relationship moves forward. But something's about to happen that will cast them both further into danger.

Diana gets a chilly welcome when she seeks safety at the Clairmont family home. Back in Oxford, trouble is brewing.

Matthew crosses a dangerous line when he returns to Oxford. Diana discovers his dark past, before something unexpected tears them apart.

Matthew and Baldwin race to save Diana from Satu's dangerous dark magic. In Oxford, Sophie shocks Agatha with a confession.