"70 years after the events of THE DEATH CURE, when Thomas and other immunes were sent to an island to survive the Flare-triggered apocalypse, their descendants have thrived. But when a rusty old boat shows up one day with a woman bearing dark news of the mainland, a group of the islanders decide to embark back to civilization. There they find that many have evolved into a more violent, intelligent version of Cranks due to a new string of the virus,...