A female detective with integrity and no fear of power discovered a child prostitution ring while investigating a female corpse case and found out that its backer was a big plutocrat who controlled the lifeline of the local economy. She was eventually forced to resign because of touching high-level figures. It was dubbed in 1984 by Shanghai Dubbing Film Factory, with the voices of Li Zi, Yang Xiao, Qiao Zhen, Weng Zhenxin, Bi Ke, etc.