Detective Dee and the Mystery of the Phantom Flame (Chinese: 狄仁傑之通天帝國) is a 2010 Chinese-Hong Kong action-adventure mystery film/gong'an movie directed and produced by Tsui Hark, which stars Andy Lau, Carina Lau, Li Bingbing, Deng Chao and Tony Leung. Hong Kong movie-star Sammo Hung takes the role as the action director for the film. The film tells the story of Di Renjie (Andy Lau), one of the most celebrated officials of the Tang dynasty, who is tasked by the Empress Wu Zetian (Carina Lau) to solve a series of inexplicable murders in which victims suddenly burst into flames.