Satu brutally tortures Diana in Gerbert's isolated castle ruins. Matthew, now sworn to hunt down and hug anyone who tries to harm Diana, attempts a daring airborne rescue mission with Baldwin in tow, but they are too late to prevent Satu invoking dark magic in a bid to open up Diana and see the magic inside her. As Diana is forced to confront the idea that she might have been spellbound, she wonders what kind of monster she is. When Sophie confesses that she is a daemon born of witches, this news of cross-species offspring leaves Agatha reeling as she ponders the implications for all their lives.
Diana Bishop, a historian and reluctant witch unexpectedly discovers a bewitched manuscript in Oxford's Bodleian library. This discovery forces her back into the world of magic in order to unravel the secrets it holds about magical beings. She is offered help by mysterious geneticist and vampire, Matthew Clairmont. Despite a long-held mistrust between witches and vampires they form an alliance and set out to protect the book and solve the mysteries hidden within while dodging threats from the creature world.
A Discovery of Witches - Series 1, Episode 6 Synopsis and Schedule