Matthew and Diana return from Elizabethan London to find tragedy at Sept-Tours; Agatha challenges Knox in the Congregation; Diana learns she's carrying twins.
Diana and Matthew are shocked when Jack Blackfriars reappears, but their joy is short-lived; Chris seeks samples from Matthew's family to research blood rage.
In New Orleans, Matthew and Marcus struggle to reconnect with Marcus' children; in London, Diana and Phoebe find a lead in their hunt for the missing pages.
Struggling to pin down T.J. Weston, Diana, Phoebe, and Sarah seek help from other witches; Benjamin has a proposition for Satu; Matthew finally returns home.
Benjamin's plan to bring down the de Clermonts is set into motion; Matthew and Diana return to Sept-Tours with the twins; Gerbert demands to examine the babies.
After receiving Benjamin's message, Matthew leaves Sept-Tours at dawn to track him down; Diana enlists Sarah's help to finally get the Book of Life.
In Madison, Satu, Knox and Gerbert arrive at the Bishop house to find that Matthew and Diana have disappeared; Matthew and Diana arrive in Elizabethan London and are confronted by a face from Matthew's past.
As she continues her search for a mentor, Diana meets wealthy alchemist Mary Sidney; London's vampire ruler demands fealty from Diana and Matthew as he is unnerved by their sudden arrival in the City.
In the present day, Domenico finds a body in Oxford; Em practices higher magic to reach Diana's mother; in 1590, Matthew and Diana explore John Dee's library in search of the Book of Life; they later meet with Queen Elizabeth.
Marcus tracks down evidence of Matthew and Diana's journey to 1590 and is charmed in the process; Gerbert and Knox scheme together; Sophie goes into labor; Em secretly continues higher magic in spite of Sarah's worries.
Matthew and Diana arrive in France to see Matthew's dead father; Matthew and Diana face Philippe and he has a revelation for Diana.
Philippe provokes Matthew and pushes him to reveal his blood rage to Diana; Diana learns of the prophecy which predicted her arrival; Matthew tells Diana how Philippe died; Diana and Matthew are married.
Matthew and Diana arrive in Bohemia to search for the Book of Life; they meet Emperor Rudolf II, who immediately expresses a lascivious interest in Diana; Matthew is pushed to the edge.
Matthew worries that the Book of Life is making Diana ill; back in present day, Marcus isn't ready to give up on Phoebe and makes an impassioned plea; Knox threatens Sophie and Nathaniel's baby.
Diana makes plans to complete her training with Goody Alsop and perfect the ninth magical knot in order to return home; surprise encounters ensue.
Blind to the interest she has stirred amongst creatures, Diana fights an increasing pull towards the magical and turns her back on her witch heritage; matters take an unexpectedly dark turn when Satu is sent by Peter Knox to intimidate her.
Domenico takes Satu's information to menacing vampire Gerbert, who gains the advantage he has been waiting for; Diana refuses to help Knox realize his longing to destroy the vampires and answers his threats with a force of untamed elemental power.
Matthew's hope of keeping Diana safe is short-lived as Ysabeau refuses to welcome the warmblood; Knox calls an emergency meeting of the Congregation to denounce Matthew; Matthew's ferocious brother, Baldwin, plays a careful game to maintain control.
Gillian pays a price for her disloyalty to Diana; the vampires study witch DNA; the fall-out threatens the fragile equilibrium between creatures and the focus is on ending Matthew and Diana's relationship, whatever the cost.
Satu brutally tortures Diana in Gerbert's isolated castle ruins; Matthew, now sworn to hunt down and kill anyone who tries to harm Diana, attempts a daring airborne rescue mission with Baldwin in tow.
Diana learns the tragic circumstances surrounding why she was spellbound as a child; Diana's devastation at having lived her life as only half herself is interrupted by the Madison house releasing one of the missing pages from Ashmole 782.
Matthew's attempt to rescue Diana from Juliette goes horribly wrong; Diana discovers just how lethal her powers can be; as Matthew is dying, Diana must strike a dreadful bargain with the goddess and make the ultimate sacrificial pact.
What could a handsome vampire teach a reluctant witch about a bewitched manuscript? Nothing, except... sex, love and inner power. HD Version
Author Deborah Harkness discusses how Diana and Matthew's rich personal histories complement each other and what she considered when crafting their relationship in the novels. HD Version
Author Deborah Harkness on how she grounds supernatural beings in a human reality and the dynamics at play between her witches, vampires and daemons. HD Version
Author Deborah Harkness answers burning questions about her own witchy background and what viewers can expect in future seasons. HD Version