In Washington, D.C., a young woman whose father has invented a new form of synthetic rubber requests Simon Templar's aid when she receives a threatening note. Before long, The Saint is drawn into a web of war-related intrigue involving what appear to be gangsters, but soon turns out to be groups with differing opinions as to what it takes to be patriotic. The book reveals that, instead of enlisting to fight in the war, Templar has instead been working behind the scenes, carrying out quiet missions against enemy agents and, unusually for the character, his efforts in this case are actually supported by law...