In the investigation room, a detective is questioning three ladies who are the suspects for a case of a murdered university lecturer. On the other side are another detective Jie and a reporter who snuck into the police station. They all want to find out who the murderer is.

偵訊室裡，一名顯得不耐煩的警員正在訊問和一起大學教授命案有關的三名女性嫌疑犯，另一方面偵辦命案的警官齊杰正趕到警局，還有一名偷潛入警局的記者，他們都想知道兇手究竟是誰……