December 1999, just days before Christmas, Korean Air Cargo Flight 8509 crashes after takeoff. Experts quickly determine the cause of the disaster, but what they can't figure out is why no one aboard the plane did anything to stop it from happening. Join this baffling investigation as it shifts from a crash site examination to a lesson in Korean culture. The facts suggests the seeds of this deadly crash were actually sewn hundreds of years before the 747 even left the ground.