On the early morning of June 1, 2009, Air France Flight 447, flying from Rio de Janeiro to Paris, went missing over the Atlantic Ocean. Five days later, the wreckage was discovered and all 228 passengers and crew members were killed. A year has passed, and a comprehensive explanation of what may have happened has emerged. This movie brings together an independent team of leading air crash investigators to provide the first reliable solution to the mystery of Flight 447. Using existing evidence for their own testing and simulation, they painstakingly pieced together convincing scenarios of what they believed had happened. Their conclusion has raised concerns about the aviation industry's increasing reliance on automated flight systems.