In high society there is a Madam Rose. Shum Chung-kei meets her and is enthralled. They begin dating. Kei knows very little about Rose. When Rose was little, her father Fok Wing-sum was betrayed by his business partner Shum Hung, who made him lose all his money. Hung was put in jail. Years later, when the Sino-Japanese war broke out, Hung reappeared as a spy. He arrested Sum. Although Sum escaped later, Hung caught his wife, who died later. Madam Rose wants to find Hung's offspring to take revenge. When she confirms that Kei is Hung's son, she approaches him. They are getting married. Kei invites his father to the wedding. Rose and Sum are anxious. However, Hung is alert and comes quietly. He discovers who Rose is and her motives. Rose and Sum go to Hung and they fight. Hung is guilty. He tries to jump off a cliff. Sum saves him. The enmity disappears. Kei and Rose stay together.