Watch Detective Dee: The Lost Gold (2018) : Full Movie Online Free A murder and gold theft case leads Di Renjie to a deeper conspiracy when traces of Blood Vine, the Pink Butterfly and the Tree Demon are found at the crime scene. Dee is pestered by Shen Jun Yao, a flower girl, and runs into Jiang Hanshuang, a female officer who is investigating the murder of the Tree Demon and the gold theft.