Pilots Tae-in and Gyu-sik are set to fly to Gimpo. Under the guidance of flight attendant Ok-soon, passengers are busy boarding. However, shortly after take-off, a homemade bomb explodes, turning the cabin into chaos. "From now on, this plane is going to North Korea," shouts Yong-dae, who intends to hijack the entire plane, takes control of the cockpit and threatens the pilots to change course. Due to the explosion, Gyu-sik loses sight in one eye, and in the chaotic cabin, Tae-in faces a life-or-death situation. They begin a desperate struggle to safely land the aircraft.