Scott enters World War II to fight a 17th-century supervillain named Malvolio, an anti-Green Lantern who wants to take over the world. Malvolio decides to cut a deal with Hitler that endangers the entire Allied campaign in Europe and the Pacific. Not one to think small, he is determined to eliminate the entire Green Lantern Corps, destroy Earth, and decimate all other worlds that have ever had the protection of a Green Lantern.

Hal has been stripped of his powers, but it is up to him to fight the clones of the villain Sinestro, set loose by actions in the trilogy's first volume. In order to save the Earth, he may have to sacrifice himself by taking the Sinestro power rings on a one-way trip to the anti-matter universe.