On a transatlantic flight from Berlin to New York, an aerospace engineer named Kyle Pratt faces her worst nightmare when her six-year-old daughter, Julia, mysteriously disappears aboard the plane. Kyle, who has just lost her husband, is already devastated and anxious about the situation. Everything becomes even more complicated as the authorities and the crew begin to doubt her sanity, claiming there is no record of the girl being on the flight.
With time against her and flying thousands of feet in the air, Kyle transforms into a determined woman set on uncovering the truth. As the tension mounts, her desperation drives her to embark on a frantic search, questioning passengers and crew, all of whom seem to have contradictory information. As minutes turn into hours, the situation becomes darker and more dangerous, and Kyle begins to question not only reality but also her own mental health.
With unexpected twists and a growing atmosphere of paranoia, the plot plunges into a sea of conspiracies and hidden secrets, as Kyle fights to recover her daughter and discover what has happened to her on that flight. Her bravery and determination will push her to the limit, making every decision crucial in her harrowing quest.