On June 1st 2009 Flight AF447 an Air France Airbus A330 flying from Rio de Janeiro to Paris disappeared over the Atlantic Ocean with the loss of all 228 lives. How could a state-of-the-art airliner with elaborate electronic safety and navigation features and a faultless safety record simply vanish without trace? NOVA assembles a team of seasoned pilots engineers and safety experts to examine the evidence that emerged in the weeks following this horrific disaster. What led Flight 447's crew to fly straight into a towering thunderstorm? Using expert testimony messages transmitted by the doomed plane's computer system and multi-layered CGI weather reconstructions NOVA pieces together the events leading up to the disaster and provides a forensic view of crucial events seen from all angles to reveal what really happened on Flight 447.