Given the question: Build a movie plot around this: Who tells About Cairo to O'Shaughnessy? Spade
The answer is:
In 1539 the Knight Templars of Malta, paid tribute to Charles V of Spain, by sending him a Golden Falcon encrusted from beak to claw with rarest jewelsbut pirates seized the galley carrying this priceless token and the fate of the Maltese Falcon remains a mystery to this day Introductory text appearing after the film's opening credits[9]In San Francisco in 1941, private investigators Sam Spade (Humphrey Bogart) and Miles Archer (Jerome Cowan) meet prospective client Ruth Wonderly (Mary Astor). She claims to be looking for her missing sister, who is involved with a man named Floyd Thursby, whom she is to meet. After receiving a substantial retainer, Archer agrees to follow her that night and help get her sister back.That night, Spade is awakened by a phone call from the police and is informed that Archer has been killed. He meets his friend, Police Detective Tom Polhaus (Ward Bond), at the murder scene and they determine how Miles has been murdered. He tells Polhaus he doesn't need or want to see anything else, and abruptly leaves. He tries calling Wonderly at her hotel, but she has checked out. Back at his apartment, he is grilled by Polhaus and Lieutenant Dundy (Barton MacLane), who inform him that Thursby was also murdered the same evening. Dundy suggests that Spade had the opportunity and motive to kill Thursby, who likely killed Archer, immediately after he learned of Archer's death. Archer's widow Iva (Gladys George) believes that Spade shot his partner so he could have her.From the trailer:Gutman and Cairo confront SpadeSpade confronts O'ShaughnessyLater that morning, Spade meets Wonderly, now calling herself Brigid O'Shaughnessy. She explains that Thursby was her partner and probably killed Archer, but claims to have no idea who killed Thursby. Spade is not convinced, but agrees to investigate the murders.At his office, Spade meets Joel Cairo (Peter Lorre), who first offers him $5,000 to find a "black figure of a bird," then pulls a gun on him in order to search the office....