Psychological thriller starring Jennifer Ehle and Morfydd Clark. \"Morfydd Clark is superb as a troubled caregiver in this extraordinarily scary horror melodrama. FIVE STARS\" – Guardian   Palliative care nurse Maud arrives at the home of Amanda, a famous dancer now frail from illness and trapped in her grand, isolated house who is fascinated by the religious young Maud. But Maud is tormented by ‘messages’ she believes are from God and becomes convinced she has been sent to Amanda to serve a divine purpose. As her grip on reality slides out of control, Maud\'s care turns into a deadly mission to save Amanda’s soul, by any means necessary…