While investigating a terroristic threat that goes viral online, Korean authorities discover that a suspect has recently boarded an international flight bound for the United States. When a healthy passenger on the same flight suddenly dies a gruesome death of unknown cause, panic erupts both in-flight and on the ground. With steadily decreasing fuel and international refusals to offer aid, the captain and crew will be forced to take unprecedented emergency measures in an attempt to save the lives of their passengers.

The curse of the darkness where the sun does not rise has fallen on the world, and Turandot, who has a cold heart, receives proposals from many men for his beautiful beauty. She comes up with three riddles as a condition for accepting the proposal, and anyone who fails to solve them turns to stone and dies. Calaf, the prince of the Balkan Kingdom, also solves her riddle and proposes... Turandot, a woman who does not believe in true love. Calaf, the only person who can move her heart. What will be the fate of the two?

A group of very different people set sail on an old warship. The passengers include a senator with his son, a newly-wed couple, a mysterious old man, a group of sex workers and a gang of violent criminals. At first the aggressive behaviour of the thugs and their leader is directed at the first class passengers, but then more and more indiscriminately against the rest of those on board. Rape is followed by murder and it’s not long before the first of numerous and increasingly brutal mutinies takes place.

A vigilante known as "Dr. Q" gruesomely executes criminals who escape justice, uploading videos of his killings online. Young cop Bong and his seasoned partner Na investigate while clashing with S.T.F. counterparts Lt. Pyo and tech expert Kang.