During the Korean War, Soviet and U.S. jet fighters clashed in the fastest dogfights ever seen. The most advanced planes of their day, the MiG-15 dueled with the F-86 Sabre over MiG Alley, a strip of airspace along the Korean-Chinese border. Over 30 U.S. and British pilots disappeared during combat over MiG Alley, leaving their family members today with painful unanswered questions. Traces the efforts of U.S. government investigators, forensic experts, and family members to determine the missing pilots' fate. Draws on eyewitness interviews and newly opened Soviet archives.