Things get creepy for historian and closet witch Diana Bishop when she calls up a magical manuscript. Her discovery is about to throw her back into the world of magic and into the path of Matthew Clairmont, a centuries old vampire.

As Matthew fights to control his cravings, he leaves Diana to face her enemies alone. And those include powerful witch Peter Knox.

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

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

Diana's aunts' home gives up all sorts of secrets when Diana and Matthew pay a visit. Danger looms as Juliette breaks free from Gerbert.