1965. The British Establishment is reeling after a series of defections and acts of treachery by high-ranking Intelligence Officers. When American academic Francis Hollander accuses Sir James Digby QC, a Baronet and a leader of the Bar, of being a soviet spy, Digby hires Ben Schroeder to represent him. But when evidence starts piling up of Digby's association with the Cambridge spies, Ben can no longer be sure he will save Digby from prosecution and ruin. Is Ben willing to risk his career to obtain vital evidence?