Epiphyllum Dream

In a desperate hunt to track down a top-secret metal box during World War II, China's best forensics experts are called to duty. The year is 1945, and an iron box containing the top-secret files detailing the Japanese biological weapons program go missing. Police director Mo Cai Shi (Wu Gang) assigns top police detective Cheng Chi Hong (Qiao Zhen Yu) to help track down the missing files.