What happens when a man who believes he has retired from MI6 is called back to do one more job to regain his life, only to discover that this job may mean he has no life to go back to.

Max Easton, a retired Secret Service operative and member of elite British/America team called The Section is coaxed back into the field to try to shut down an Iranian missile program. The situation is complicated by Max's estranged son, Harry, who has followed his father into the espionage world and as the series opens may have died in the line of duty.—ahmetkozan