A zombie outbreak occurs on a plane carrying a mutated corpse to Busan for research. After the freezer malfunctions, the corpse reanimates as a zombie and spreads the virus to others on board, causing chaos mid-flight.
A top military secret of a mad scientist is transferring in a plane to Busan for further mutation. A freeze dead infected woman with armed guards are on a plane. After slight turbulence, the freezer breaks down and the corpse wakes up, turns into a zombie, and infects all on board.—Dimension Pictures