The dodgy dealing antics of Stuart’s brother Charlie finally catch up with them both.

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.

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.

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.

Karl’s big plan to woo Zoe goes out the window when a dad and his son get into his cab. Then, an urgent pick-up derails things even further.