When the future empress Wu Zetian's two courtiers die in a mysterious fire, she gets Di Renjie, a former detective and rebel, released from prison to solve the mystery of the fire.
Starring Andy Lau, Li Bingbing, Deng Chao, Tony Leung Ka-fai, Carina Lau, Richard Ng Yiu-hon, Teddy Robin, Liu Jinshan, Yao Lu, Wang Deshun