Interpol become involved after the theft of a huge amount of platinum. As they begin to investigate they discover a string of crimes dating back years that all appear to have been committed by the same person.
A plane is hijacked by one of the passengers, flying it to an abandoned airstrip to steal its cargo of platinum. Duval flies to Hong Kong in search of the suspect, Chu Luan - but with the net closing in he manages to stay one step ahead of the authorities. When the trail leads to a dead end, Duval begins to wonder if the evidence is all it appears to be.