Peggy Lee Kam-Man (李錦文) is a Hong Kong film producer. She used to be the production director of Columbia (Asia) Production Co., Ltd., a subsidiary of Sony Corporation in the United States.
A Hong Kong detective teams up with his female Red Chinese counterpart to stop a Chinese drug czar.
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.
Sergeant Tong is wracked with guilt after he unwittingly kills a young girl whilst capuring a criminal named Cheung. When the girl's sister is later kidnapped in a ploy to get Cheung released, Sergeant Tong vows to find and rescue her before she comes to harm.