Matthew and Diana reach a new level of intimacy. Matthew is forced to account for his disruptive visit to Bohemia. Knox threatens Sophie and Nathaniel's baby. Back in present day, Marcus isn't ready to give up on Phoebe and makes an impassioned plea. Matthew worries that the Book of Life is making Diana ill. Matthew displays protective jealousy and is pushed to the edge. They meet Emperor Rudolf II, who immediately expresses a lascivious interest in Diana.

Matthew and Diana arrive in Bohemia to search for the Book of Life. Diana learns of the prophecy which predicted her arrival, and Matthew tells Diana how Philippe died. Philippe provokes Matthew and pushes him to reveal his blood rage to Diana. Matthew and Diana face Philippe and he has a revelation for Diana. Matthew and Diana arrive in France to see Matthew's dead father. Em secretly continues higher magic in spite of Sarah's worries. Marcus tracks down evidence of Matthew and Diana's journey to 1590 and is charmed in the process. In 1590, Matthew and Diana explore John Dee's library in search of the Book of Life. Em practices higher magic to reach Diana's mother. In the present day, Domenico finds a body in Oxford. Meanwhile, Matthew grows more at home in his old life. In search of a mentor for her witchcraft, Diana meets the head of a local coven and a powerful witch who reveals a secret about Diana. Diana realizes 16th century Matthew is different. The couple arrives in 1590's London and are confronted by a face from Matthew's past. In Madison, Satu, Knox and Gerbert arrive at the Bishop house to find that Matthew and Diana have disappeared. Trystan Gravelle as Baldwin Montclair.James Purefoy as Philippe de Clermont.Aisling Loftus as Sophie Wilson/ Susanna Norman.Michael Lindall as Sir Walter Raleigh.And Gerbert, Knox, Satu and Domenico are determined to hunt down every clue they can to Diana’s and Matthew’s disappearance, and the secrets their allies are keeping from them. Meanwhile, in Oxford, Marcus and Miriam take on Matthew’s mantle to protect Daemons Nathaniel and Sophie, whose pregnancy is advancing. While Matthew and Diana hide out in Elizabethan London, back in present day, Diana’s beloved aunts, Sarah and Em must take shelter with notorious witch hunter Ysabeau de Clermont at her ancestral home, Sept-Tours. They must overcome deep personal fears and jealousies, baring their darkest secrets to one another if they are to stay alive, stay together and find a way back to present day. Matthew and Diana's romance faces a barrage of new threats Diana’s unleashed magic takes a dark and frightening turn, while Matthew struggles to re-inhabit the dangerous life he led over four centuries ago. Here they must find a powerful witch teacher to help Diana control her magic and search for the elusive Book of Life. Matthew and Diana are hiding in time in the fascinating and treacherous world of Elizabethan London.

Cast of discovery of witches