An eye for an eye makes the whole world blind.

‘A wonderful novel. Big ideas wrapped in a plot that moves like a freight train’ Stuart Turton, Sunday Times bestselling author

'Compelling and complex, but still emotionally charged and devastating' Helen Fields

The future of law enforcement has arrived, courtesy of private health contractor Janus Justice. Their ground-breaking ‘Offender Treatment Programme’ has been hailed as the most effective way of tackling crime yet.

As offenders move through the four-tiered system, their needs are dealt with, each tier more drastic in its methods:

Tier One: Low-risk crimes. Physical therapy encouraged

Tier Two: Trauma and addiction. Emotional and psychological reasons for offending are examined

Tier Three: Aversion therapy & moral punishment

Tier Four: Siberia, where all hope is lost

But Grace Gunnarsson, one of Janus’ most highly regarded rehabilitation psychiatrists, has uncovered a terrible flaw in the system, one that is allowing people to get away with murder...

‘A high-octane, spine-shivering thriller, in which neuropsychology, crime, ethics and justice are melded in a mind-stretching concoction’ Philippa East