When an intruder dies mysteriously in Exeter Cathedral, Detective Inspector Cecilia Cavaliere's investigation becomes anything but routine. Thwarted by her superiors, she finds an unlikely source of help in a family friend: but can a law enforcer believe a priest's stories about an evil she cannot see? Meanwhile, half a world away, a quiet astronomer makes a discovery of his own--his telescope reveals nothing less than the impending destruction of the planet. Christopher Bryan's sharp thriller takes the reader deep into a supernatural world where something dark and sinister has been awakened.