Rosamund Kwan
The film tells the story of Wesley (Andy Lau) who works in San Francisco for a UN department investigating extra terrestrial sightings. When Fong (Rosamund Kwan) an alien from the Dark Blue Planet arrives in town seeking the remains of her brother, Wesley; Fong and two agents from a secret FBI alien department (Shu Qi and Roy Cheung) become entangled in a conspiracy involving the government departments and two different alien species.