Wesley (Andy Lau), is responsible for handling all the incidents that relate to extraterrestrial life on Earth. One day, Wesley meets Fong (Rosamund Kwan) when he is looking at a blue human bone in an antique shop. Fong is an alien from the Blue Blood Planet, she left her home 600 years ago to look for the Blue Blood Bible. Wesley tries to stop Fong going away, the Double X Unit lead by Wai (Roy Cheung) and So (Shu Qi) is ordered to handle the case. At the same time, Kill (Mark Cheng) and Rape (Almen Wong) arrive Earth from Blue Blood Planet. They come here to take Fong back to the Blue Blood Planet¡K



Cast
Andy Lau Tak-Wah
Rosamund Kwan Chi-Lam
Shu Qi
Roy Cheung
Yiu-Yeung
Almen Wong Pui-Ha
Mark Cheng Ho-Nam
Wong Jing
Samuel Pang King-Chi
Reuben Langdon

Director
Andrew Lau Wai-Keung