It is 1940, and a catastrophic German invasion of Belgium and Holland is imminent. Against his will, Henk de Ridder a captain in the Netherlands army helps his father-in-law to smuggle a priceless box of cut diamonds from Antwerp to Java. The stones arrive safely but by 1941 the Japanese are preparing to invade the Dutch East Indies. Again Henk must hurry the box away, this time to Australia. But the Dutch airliner carrying them is shot down by Zeros and crashes in the wilderness of North Western Australia. Where are the stones? Can they be recovered? Henk is one of many determined to fi nd them.