Adapted from Deborah Harkness' All Souls trilogy, the 10-part second series finds Matthew (Matthew Goode) and Diana (Teresa Palmer) hiding in time in the fascinating and treacherous world of Elizabethan London - here they must find a powerful witch teacher to help Diana control her magic and search for the elusive Book of Life. In Elizabethan London, 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, baring their darkest secrets to one another if they are to stay alive, stay together and find a way back to present day.