The Qiu family, who have a high status in society, are preparing for a grand engagement party. An uninvited guest, Agent Jia (played by Louis Koo), suddenly arrives and brings a suicide case of a young girl, Zhang Xiaojuan, with one body and two dead bodies. The happy atmosphere in the Qiu family. The boss of the Qiu family (played by Eric Tsang) and his wife (played by Mo Shunyun)...