How does a man know when he crossed the line? When does he realize that his soul has tasted the sweet nectar of heresy and found it more wonderful and compelling than what he had feared it would be? Louk Shannegh, a hive-born scoundrel in service to Inquisitor Helsing of the Ordo Xenos, is faced with these questions in the aftermath of a battle for the Imperial planet Tenea.

Becoming a pilot was a dream for Antonio "Blaze" Castillo ever since he was young, and then it became an obsession when his father died during a mysterious attack on an air show when he was eight. With his goal of becoming a pilot completed, Antonio must fight a war that no one saw coming while fighting to keep his humanity and other dark secrets intact.

As Estovakia continues to push the Emmerian military across its own country groups of citizens ban together to give their country a fighting chance. Based on Ace Combat Six.