When DC Rose Gifford is called to investigate the death of a young woman suffocated in her bed, she can’t shake the feeling that there’s more to the crime than meets the eye. It looks like a straightforward crime scene—but the police can’t find the killer. Enter DS Moony—an eccentric older detective who runs UCIT, a secret department of the Met set up to solve supernatural crimes. Moony wants Rose to help her out—but Rose doesn’t believe in any of that. Does she? As the killer prepares to strike again, Rose must pick a side—before a second woman dies.