Zhao Huaw

In 1940 in Shanghai, Chen Jiaping, an underground member of the Communist Party of China with the code name "Plum Blossom Four", was on a mission when he was on the verge of being exposed and met his former fiancee, Zuo Shuangtao, by chance. By this time, Zuo Shuangtao had become a special agent of the Kuomintang's Military Intelligence Bureau. After failing to carry out the assassination mission, she was also seeking a way out of the predicament. They were unaware of each other's agents