Please answer the following question: Build a movie plot around this: In what time period did the stranger's parents die? World War II
A:
The film begins with a body that seems to be falling from the sky, referencing jumpers from the World Trade Center on September 11. Oskar Schell (Thomas Horn) is introduced as the son of German American Thomas Schell (Tom Hanks). At Thomas' funeral Oskar complains that the coffin does not make sense, since it is empty.In a flashback Thomas and Oskar play a scavenger hunt that gives Oskar the task of finding ordinary objects throughout New York City. The scavenger hunt begins at a swing set in Central Park, where Thomas recalls swinging when he was a child, and demonstrates the fun of jumping off. Oskar, however, is scared of swings, even without jumping off. The games require communication with other people, providing practice for Oskar. They are not too easy: "if things were easy to find, they wouldn't be worth finding".On September 11, Oskar is let out of school early while his mother Linda (Sandra Bullock) is at work. When Oskar gets home, he finds five messages on the answering machine from his father, saying that he is in the World Trade Center on the 105th floor of the North Tower. Oskar soon learns of the Twin Towers attack by seeing footage on the TV news, and hides underneath his bed. When Thomas calls for the sixth time Oskar hears the phone ringing, but he is too scared to pick it up. The machine records a sixth message, which stops when the building collapses, and Oskar knows that his father has been killed. He never tells his mother about the calls, and replaces the answering machine by an identical one secretly so that his mother will never find out.A few weeks after what Oscar calls "the worst day", he confides in his German grandmother and they become close throughout their time of depression following Thomas's death. Oskar's relationship worsens with his mother since she can't explain why the World Trade Center was attacked and why his father died. Oskar tells his mother he wishes it had been her in the building rather than his father, and she responds, "So do I.", after which Oskar says he...