In Sao Paulo , young Sergio works in a bank in which her rich uncle is the president. Using his name to borrow money, Sergio takes a wasteful life frequenting nightclubs and dating the sophisticated starlet 's revues Margo. His uncle refuses to pay the loans and Sergio finds himself in difficulties that lead down a dark path.
A woman marries a gambler, thinking she could straighten him up, but he loses all their assets, even their own house, and tries to commit suicide. But one of the winners falls for his stepdaughter, and this could change the situation.