Biggles must thwart the schemes of an international gang of thieves! Paul Cronfelt, head of a firm of bullion brokers called Cronfelt and Carstairs, has a problem. Shipments of gold and precious stones being ferried between European capitals by aeroplane are being lost, the planes either crashing in mysterious circumstances or else landing without the valuables they set off with. The situation cannot be allowed to continue, and he needs a brave, daring pilot who can find out what is happening and put a stop to it, once and for all. He needs Biggles, and asks him to set up a new airline to transport the valuable cargo. Biggles is reluctant to take on the enterprise. Until, that is, he receives a mysterious telephone call from Germany, warning him off... Together with Algy, Ginger and Smyth, Biggles & Co. is born! A 24-carat Biggles adventure packed with daring schemes awaits...