Police attempt to stop Nationalist agents from destroying public buildings in Ruancheng after the Red Army occupies the city.

The sad Xiao Dan seeks help from his classmate Zhou Jian (played by Chen Zhijian), but Zhou Jian also has a lot of troubles at home, and he is powerless. 　　 Under the temptation of big sister Hu Li (played by Pu Chaoying), Zhou Jian was contaminated with drugs and was out of control. Gradually, Zhou Jian and Xiao Dan began to help Hu Li with drug trafficking, and the two got deeper and deeper. Xiaodan became a showgirl in the karaoke bar run by Hu Li. In the end, Xiao Dan still became addicted to drugs. Xiong Jian abandoned her. Xiao Dan could only raise money to take drugs by selling himself. The desperate Xiao Dan felt that life was better than death, but still could not resist the call and temptation of drugs.