Eight months after helping to prevent a devastating attack on Britain's nuclear deterrent, ex-SAS hero David Hawkins is down on his luck. But when an act of reckless violence costs him his job, Hawkins is recruited by MI6 for a highly sensitive mission.

The job: infiltrate a gang of cut-throat mercenaries led by a notorious former Regiment officer. Six believes this team is planning a once-in-a-century heist. Now they want Hawkins to find out who else is involved - and why.

But as he gets closer to the target, Hawkins uncovers an even more deadly plot. One that threatens to upend the world order and trigger a terrifying new conflict between East and West . . .