Build a movie plot around this: Who tells the Duke that the play is really about the Duke, Satine, and Christian Nini
Answer:
In the year 1900, a depressed writer named Christian begins writing on his typewriter ("Nature Boy"). One year earlier, Christian moved to the Montmartre district of Paris to become a writer among members of the area's Bohemian movement. He encounters performers led by Toulouse-Lautrec; his writing skills allow them to finish their proposed show, "Spectacular Spectacular", that they wish to sell to Harold Zidler, owner of the Moulin Rouge. The group arrives at the Moulin Rouge as Zidler and his "Diamond Dog Dancers" perform for the audience ("Lady Marmalade/Zidler's Rap (Can Can)/Smells Like Teen Spirit"). Toulouse arranges for Christian to see Satine, the star courtesan, in her private quarters to present the work, unaware that Zidler is promising Satine to the wealthy and unscrupulous Duke of Monroth, a potential investor in the cabaret ("Sparkling Diamonds" medley).Satine mistakes Christian for the Duke, and dances with him before retiring to her private chamber with him to discuss things privately ("Rhythm of the Night), but soon learns he is just a writer; by this time Christian has fallen in love with her ("Your Song"). The Duke interrupts them; Christian and Satine claim they were practicing lines for "Spectacular Spectacular". With Zidler's help, Toulouse and the rest of the troupe pitch the show to the Duke with an improvised plot about an evil maharajah attempting to woo an Indian courtesan who loves a poor sitar player ("The Pitch (Spectacular Spectacular)"). The Duke backs the show on the condition that only he may see Satine. Satine contemplates on Christian and her longing to leave the Moulin Rouge to become "a real actress" ("One Day I'll Fly Away"). Christian goes back to Satine to convince her that she loves him ("Elephant Love Medley"). As the cabaret is converted to a theater, Christian and Satine continue seeing each other under the pretense of rehearsing Satine's lines. The Duke becomes jealous and warns Zidler that he may stop financing the show; Zidler arranges for Satine to dine with...