[Two male protagonists + criminal investigation + Republic of China + brain-burning + unit to solve crimes. ]
Strange cases occurred continuously in the old concession of the Republic of China, and half a jade button connected a series of strange murder cases. Cold-faced detective Lu Zhengnian and keen forensic doctor Su Yan team up to track down the murderer, and the clues lead to old secrets. When the fog thickens, the two find themselves deeply involved in the situation. Only by working together to break the situation can they find out the real culprit behind the scenes!
