Bai Ri Yan Huo plot
1999, North China. In a small town, a gruesome discovery is made in which several bodies are found. An attempt to catch the alleged murderer has a bloody end, in which two officers are killed and another is seriously injured. The surviving officer, Zhang Zili, is suspended and takes a job as a security guard in a factory. Five years later, another number of mysterious murders take place. With the help of a former colleague, Zhang decides to investigate. He discovers that all the victims had a connection with Zhizhen, a young woman who works in a dry cleaner.