Isobel Swan, a sixth form student, has been murdered. First, her ring finger is severed, then her throat is cut.

With the investigation going nowhere fast, Detective Inspector Nick Dixon is sent undercover as a trainee teacher into Isobel’s boarding school.

But to find the killer, he must first confront his inner demons and lay to rest the ghosts lurking in his own past. If he can…

As Dixon digs deeper, the stakes have never been higher and a murder has never felt so personal.