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From the Wikipedia entry for this film. The movie's high-living Italian producer, Enzo (Giancarlo Giannini), not intimately involved in the production shoot but still subtly fatherly and supportive, guides Paul that “the ending is the most important part of the movie, the part that people remember when they leave the theater.” He tells Paul a good ending must be exciting and must finally resolve the mystery for the audience but “surprise them a little.” “Astonish me,” he challenges Paul. Consequently: As the crew prepares to shoot the climactic chase scene in Codename: Dragonfly, the saboteur sneaks onto the set and steals their finished footage. Valentine (still costumed and made up as...
Full answer by user84795: https://movies.stackexchange.com/a/113463 (CC BY-SA 4.0).
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