In Laos, in Vientiane, the American Mark Jason rented a small house during the time of his commercial mission. In a cache inside, he finds diamonds, certainly the spoil of a previous occupant's flight. Their value amounts to several million dollars. Mark seizes it, but a fight breaks out with his valet on the way to the precious stones, at the end of which the Laotian accidentally finds death. Mark hides the body and joins his mistress Nhan Lee Quon, in a nearby village He tries to escape with her, in a vehicle of the diplomatic corps, the police in his pursuit. The diamonds are also coveted by Blackie Lee, the boss of a nightclub, as well as by his brother. Blackie is killed by the policeman in reality glassy, who is chasing Steve. Nhan and this policeman also leave their lives in the case. Steve manages even to escape with the booty, some having helped him to preserve his life.

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