The wealthy tycoon James Cook, director of a huge steel consortium has a flirtatious 17-year-old daughter Patricia. Most of the men she meets take advantage of her physical assets. Now she is courted by her tennis teacher, Jack. But her father thinks that the young man is only a vulgar dowry runner. As she is his heiress, her father does not have a very good eye on his daughter's emotional outbursts. He hires Harry, a racing driver to marry his adorable daughter, making him an unrepentant dowry. But he wastes no time in falling under her charm. Then the businessman unfortunately dies. Patricia was quickly subjected to mysterious assaults and other disguised attempted murders.