Forensic medical student Jiang Li entered a puzzle-solving game and transformed into an ancient Xiao Renzuo. In order to clear the customs, Jiang Li teamed up with Ren Zuo, Shen Xiuning, and head catcher Li Canglang, and relied on scientific methods to uncover the unsolved cases behind the superstition and restore the truth. In the end, he also found his true love in this dangerous case.
