The Puzzle of Human Skin (2015)

A city is gripped by a series of gruesome murders. Editor Susu secretly investigates by visiting her boyfriend, Chen Mo, as a string of terrorist attacks unfold around them. The attacks leave animal carcasses displayed at a local leather shop and reveal the death of a child living alone. As Susu and Mo delve deeper into the case, the events become increasingly bizarre and perplexing, hinting at a hidden truth and a far more terrifying secret waiting to be revealed.