Ho Mei Fong, dies mysteriously in a cab, leaving behind a hidden bag. The cab driver and the victim's sister, an undercover policewoman, become embroiled in a dangerous search as they are pu... Read allHo Mei Fong, dies mysteriously in a cab, leaving behind a hidden bag. The cab driver and the victim's sister, an undercover policewoman, become embroiled in a dangerous search as they are pursued by criminals.Ho Mei Fong, dies mysteriously in a cab, leaving behind a hidden bag. The cab driver and the victim's sister, an undercover policewoman, become embroiled in a dangerous search as they are pursued by criminals.