Season 2 sees vampire Matthew and witch Diana travel back to Elizabethan London, where they are hiding in time. 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'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. They must overcome deep personal fears and jealousies, bearing their darkest secrets to one another if they are to stay alive, stay together and find a way back to present day.