A New York Times Bestseller The explosive finale to Marie Lu's bestselling Legend trilogy . . .He is a Legend. She is a Prodigy. Who will be Champion? June and Day have sacrificed so much for the people of the Republic, and now their country is on the brink of a new existence. But neither could have predicted the circumstances that will reunite them. Just when a peace treaty is imminent, a plague outbreak causes panic in the Colonies, and war threatens the Republic's border cities. Only June knows the key to her country's defense.