When the British Museum is gifted with half a golden tiger under unusual circumstances, the Museum Evaluator, Alex Burton, is entrusted with the task of finding the other half. It is said that when the two halves are re-united, the mystery of the missing Nguyen Gold of Vietnam will be unravelled. Not having all the necessary knowledge to begin his search, Burton enlists the help of an academic of The School of Oriental and African Studies (SOAS) of London University. Their quest takes them on an extraordinary journey along the infamous Ho Chi Minh Trail and reaches a dramatic end in a spectacular mountainous area of Central Vietnam.