How far would you go to uncover the truth? 19 bodies are found at the end of a remote Cornish road in what appears to be a mass suicide. For Detective Inspector Olivia Austin and her team it should be a straightforward case, but the only two survivors paint a very different picture of events and she finds herself led on the hunt for a dangerous cult leader with the blood of his followers on his hands. But will they be able to catch him before he plans another ascension?