 The film tells of Dr. Robert Payne s adventures in Shanghai 50 years ago. Payne falls in love with beautiful Qiuqiu, the consort of revolutionary hero Jin, who is a communist leader in the Shanghai underground However, he suffers from seizures caused by old head wounds and becomes Payne s patient. Hao Ming is the brutal chief of the Guomintang secret police. In his hunt for Jin, he discovers that Qiuqiu is his long lost daughter. At a lavish father-daughter reunion, Qiuqiu gets her revenge and shots Hao Ming. She s been arrested and admits her guilt. When Jin realizes how much Qiuqiu loves him, he offers to give himself up in exchange for commuting Qiuqiu s death sentence...