A hotel night manager is tasked with infiltrating a ruthless arms dealer's inner circle.

Nine years have passed since Jonathan Pine tricked Richard Roper in Egypt and sent him into the hands of his Syrian captors. Now, Roper is dead, and Jonathan Pine has become Alex Goodwin, a low-level intelligence officer with MI6. Then, Pine sees an old Roper mercenary in London. And his new secure life begins to unravel.