On a dark and gloomy night, Thai flight SA-407 took off with people from different countries and with different identities. But soon after takeoff, strange events occurred one after another. Bloody footprints appeared in the aisle, blood-red sharp claws appeared behind the passengers in the bathroom, the heads of European passengers rotated 180 degrees, and terrifying ghosts suddenly appeared without any warning... All of this disturbed the nerves of passengers and flight attendants at all times. It turned out that the predecessor of the flight was an unknown aircraft that had had many accidents. Many people died in the air crash, but the evil company sent the plane back to be repainted and rested before serving again. Ghosts appeared one after another, and the situation intensified. It seemed that there was only one destination for Flight 407, which was to go to the eternal dead country with countless undead souls...