Steve Champion - flamboyant businessman, former leader of an anti-Nazi network in the Second World War - is a man surrounded by mysteries. There are rumours he is still in the spying business. And suspicions that his fortune may be built on something nefarious; something he'd rather stayed secret. The Department are nervous, so Champion's oldest wartime ally is sent to the South of France to investigate. It's time to re-open the file on yesterday's spy, whatever the consequences.