The setting of the film is a tropical Malayan rubber plantation (a sign reads L Rubber Co., Singapore, Plantation No.1).The film""s startling opening presents the film as a mystery - it is one of the most famous opening sequences ever produced.The famed scientist/astronomer spent his life searching for the Trident.She further explained: "It""s why he invented the spyglass." They both surmised the Map was "hidden in the stars." And during an upcoming "blood moon," only then could the Map be read and the Trident found.Suddenly, British guards approached to capture and arrest Carina.She handed Turner a pick as she hastily requested o be saved: "Find us a ship.And the Trident will be ours." In the chaos, Turner picked his shackles and disappeared, although Carina was apprehended and taken back to prison.There was an envelope under the rim of the fountain, suggesting a trip and this complexing question: "What is 21 out of 42?" They were instructed to go to the home team dugout at Yankee Stadium, as McClane deduced: "It""s a wild goose chase is what it is" and realized that they (and all the city""s police) had been deliberately sent away from downtown""s Wall Street area.During the train journey, Annabelle happens to be seated next to Captain Anderson - the Union spy.Along the way at their first stop - the Big Shanty train station, the train (filmed in a long shot) rolls into the station and stops "twenty minutes for dinner.Dirty Harrywas considered sensational because of its overt violence and occasional glimpses of nudity.