The episode introduces Benjamin Fuchs , a "blood-raged" vampire Matthew sired and abandoned centuries ago. Benjamin is revealed to be a brutal killer currently stalking the family.
A Discovery Of Witches – Season 3 Episode 1 Recap & Review
Baldwin , the new head of the De Clermont family, is displeased with the presence of multiple species at Sept-Tours. His rigid adherence to the Covenant leads to a confrontation with Diana, who argues the law has outlived its usefulness.
To address the "blood rage" plague and protect their future, Matthew and Diana seek help from Diana's friend, Dr. Christopher Roberts , at Imperial College London. Diana uses her magic to prove their supernatural nature and secure his scientific assistance.
Diana and Matthew arrive at Sept-Tours to find the family in mourning. They learn that Emily Mather was murdered by Peter Knox at the end of Season 2.
Agatha Wilson brings Knox's crimes before the Congregation in Venice. In a rare move, the council—including the witch Satu —votes to strip Knox of his powers and expel him for killing a witch on protected vampire territory.