St Christopher’s College, Cambridge, is a closed world to most.

For Mariana Andros – a group therapist struggling through her private grief – it’s where she met her late husband. For her niece, Zoe, it’s the tragic scene of her best friend’s murder.

As memory and mystery entangle Mariana, she finds a society full of secrets, which has been shocked to its core by the murder of one of its own.

Because behind its idyllic beauty is a web of jealousy and rage which emanates from an exclusive set of students known only as The Maidens.

A group under the sinister influence of the enigmatic professor Edward Fosca.

A man who seems to know more than anyone about the murders – and the victims. And the man who will become the prime suspect in Mariana’s investigation – an obsession which will unravel everything…