Detective Inspector Hazel Micallef leads a quiet life with her mother, her painkillers, and an occasional drink. But when she checks on an ill neighbour, she stumbles upon a gruesome murder that shatters her peaceful existence. With the help of a fellow detective and a transfer cop, she unearths a series of similar killings across the country. When a local priest suggests a link to an ancient ritual, Hazel focuses her search on a religious madman with a deadly higher calling. Based on the novel by Inger Ash Wolfe