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 is forced to make a confession to Matthew after the pair are shocked by the appearance of another familiar face - Jack Blackfriars.
In New Orleans, Matthew and Marcus struggle to reconnect with Marcus's 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.
As Benjamin tortures Matthew to near death, Diana makes plans to rescue him; revelations from the Book of Life illuminate the long-hidden secrets of creatures.