Sambo (1950)

A fallen nobleman convinces a Roman coachman that he has found the way to win at Sambo, a Brazilian game of chance. Sent a messenger to Brazil to gamble, the two men go wild and run up debts. When they realize they have won nothing, they initially fall into total despair; however the coachman had played a coupon from the football pools on his own account. He will win and make things right.