Carl Lucas / Frankenstein has won four of his races and needs to win one more to win his freedom. Before his final race, Lucas and his team, car and all, are transferred to another prison where they will compete in a Death Race in the desert. Also, at the same time, Ceaser runs into a marketer who wants to franchise the Death Race program.
Thomas leads his group of escaped Gladers on their final and most dangerous mission yet. To save their friends, they must break into the legendary Last City, a WCKD-controlled labyrinth that may turn out to be the deadliest maze of all. Anyone who makes it out alive will get answers to the questions the Gladers have been asking since they first arrived in the maze.