Will Isaac Turner meet his digital doppelgänger? DCI Carey pursues a risky new suspect – will she finally find out who is behind everything?

The net tightens. After DCI Carey is kidnapped, her instincts are proved right – but she’s in more danger than ever before, while Isaac Turner pursues his own agenda.

Carey teams up with Shaun Emery to try and expose Correction, but Napier is one step ahead. Shaun’s future, and that of the nation’s system of justice, lie with one…

In the aftermath of a television hack, a major suspect makes a getaway. Time is against DCI Carey as she tries to act before the invisible assassins strike again.

DCI Carey hunts a suspect and the investigation widens its focus. Isaac Turner’s family life begins to fall apart, but then he stumbles upon a lead.

Surrounded by the architects of his downfall, the truth behind what happened to Shaun is revealed to him in precise detail. Meanwhile, Carey seeks for answers of her own and…