Flightplan is a 2005 GermanAmerican mysterythriller film directed by Robert Schwentke, written by Peter A. Dowling and Billy Ray, and starring Jodie Foster, Peter Sarsgaard, Erika Christensen, Kate Beahan, Greta Scacchi, and Sean Bean. The film, distributed by Touchstone Pictures, was released theatrically in the United States on September 23, 2005.

Kyle Pratt, a U.S. aircraft engineer employed in Berlin, Germany, is widowed with a sixyearold daughter Julia after her husband David falls off the roof of their building to his death. Kyle decides to bury him in their hometown back in the U.S., on Long Island, NY. They fly aboard a passenger aircraft, the engines of which Kyle helped design. After falling asleep, Kyle wakes to find that Julia is missing. She begins to panic, and Captain Marcus Rich is forced to conduct a search. None of the passengers remember seeing her daughter, Julia has no register in either the Berlin airport or the passenger manifest, and Kyle cannot find Julias boarding pass. Marcus and the other crew members suspect that Kyle has become unhinged by her husbands death, and has imagined bringing her daughter aboard. One flight attendant, Stephanie is particularly unsympathetic. Faced with the crews growing skepticism regarding her daughters existence, Kyle becomes more and more desperate. Because of her increasingly erratic, panicked behavior, air marshal Gene Carson is ordered to guard and handcuff her.Marcus receives a wire from the hospital in Berlin that says Julia was with her father when he fell off the roof and also died of internal injuries. Kyle furiously denies it. The crew believes she is delusional. A therapist, Lisa, on board tries to console her, causing Kyle to doubt her own sanity until she notices that a heart Julia had drawn earlier on the window next to her seat is real. Kyle is emboldened and convinces the therapist to let her use the bathroom. Instead of doing so, she climbs into the upper compartment and sabotages the aircrafts electronics, deploying the oxygen masks and interrupting lighting. She uses the chaos to take a dumbwaiter to the lower freight deck. She desperately searches for Julia and finally opens her husbands casket, at which she emotionally breaks down. Carson finds her, puts her in handcuffs and escorts her back, announcing that she will be arrested as

Source: Wikipedia