Why would a cup of human blood milk have such a deadly allure? What kind of twisted mind would become obsessed with it, even resorting to consecutive, serial killings? An extraordinary killer, surpassing rationality, calls for an extraordinary detective. Enter Fang Mu, a young and talented criminal psychology prodigy who gets involved, and Captain Zhang, a highly skilled and justice-driven detective who struggles to escape his own inner quagmire. Together, they form a remarkable partnership. A contest of skills, a battle of minds, unfolds...

Director: Xie Dongshen
Writers: Gu Xiaobai, Li Zhao, Cao Chen, Lei Mi
Starring: Liao Fan, Li Yifeng, Wan Qian, Xie Junhao
Genre: Action, Suspense, Crime
Country: Mainland China
Language: Mandarin Chinese
Runtime: 110 minutes