When ancient language expert Helen Tate wakes in a desert cave with a damaged memory, the enormity of her predicament slowly dawns on her: she is part of a team sent back in time to make contact with Jesus of Nazareth. But something else about the mission troubles her. Something shocking and potentially devastating. How could she have agreed to be a part of such a thing? And what can she do now to stop it? 'A fascinating blend of time travel...