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.

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

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.

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.

In the wake of a shocking broadcast hack during an interview with Isaac Turner, Carey must work out who is responsible and whom she can trust.

Invisible assassins stalk London, and DCI Rachel Carey is drawn into a case involving a rising politician that brings greater risks than she first imagines.