The drama about 1930s, Shanghai cloud home and home water two family enmity. In 1932, the "one two eight incident" broke out in the middle of the Shanghai agreement on the Sino Japanese war. Shanghai Patriotic national capitalists cloud deeply in the days between China and Japan will war, so secretly to sell their assets raised a number of gold, want to sent to the Anti-Japanese team to, unexpectedly the move be Japanese found, cloud in the days of sacrifice, the assassination of the Japanese. Cloud in the days of Ziyun fly Yue to complete his father's wishes, the Communist Party member's brother cloud Feichuan guide, has met the underground Mei Yi, Jin Song, ahan et al. In their appeal, the cloud Feiyue joined the Communist Party, and under the help of Shanghai underground, successfully will be sent to the Anti-Japanese team in the hands of gold.