Wong Chia Chi was a young student and a member of an organization of patriotic students in Shanghai during World War II. She was assigned to murder Yee who worked for the Japanese occupational government was a famous detective. Yee kidnaped, examined and killed a lot of patriotic people. It was a very important and quite dangerous task. At first, Wong Chia Chi tried to approach Yee through making friend with Yee’s wife. The tight battles of wits and doubts happened constantly in relationship between Wong Chia Chi and Yee. Their relationship became warmer and warmer with a lot of secret dating, of course, it could not lack of making love scenes passionately. Wong Chia Chi made Yee fell in love with her perfectly. Unfortunately, at the good time when Wong Chia Chi had to murder Yee, she realized that she felt in love with him. Thus, she informed Yee so that he escaped. At the result, she and her teammates were arrested and rifled. She really paid a high price for her love. But It seemed she did not regret.