 Barbara Florian is in love with Renalto Baldini. After the latter goes off to a distant job to make enough money to marry her, the girl discovers she is going to have a baby. Marco (Otello Toso), posing as a friend, exploits the situation to his own gain, and uses the situation to shock the girl s ailing father to his death. Marco then marries the widow, Valeria (Franca Marzi), the girl s stepmother.