Blessed Are the Rich (1972)

Two brothers-in-law, a smuggler and the other traffic policeman, get hold of a large sum of money, destined for illegal exportation to Switzerland, after the courier is killed in a fire fight with the border police. The owners of the money, which occupy an important social position, try in every way to recover it, also leveraging the weakness of the policeman. After the petty betrayal of his brother-in-law, the smuggler decides to keep all the money and flee to Switzerland.