73 years have passed since the battle between the brave Gladers and VICE. The descendants of Thomas, Minho and other heroes of the Labyrinth live on the islands, engage in subsistence farming, raise sheep, fish, and work in a forge. But one day, a ship arrives from the outside world, which remains in memory only in the form of frightening legends. There are corpses scattered on the deck, and the only surviving crew member turns to the islanders asking for help. Several teenagers, in whose veins the blood of their Glader ancestors flows, will have to go on a journey. If only they knew who and what they would face...