Drake heads to a tiny banana republic to investigate the supposed suicide of an American economics expert sent to investigate that country's gold reserves as a preliminary to America giving them a huge loan. There is a secret in the gold vaults, but what exactly? And who in San Pablo can Drake trust?
More dastardly doings in Latin America, with Wymark and Le Mesurier making a suitably sinister pair of conniving villains. Warren Mitchell's angst-ridden clerk is quite notable as well.