Stellar year 2148. District 86 has a strange background: everyone who leads it will go crazy. Major Vladilena is forced to be their new leader and is determined to investigate this district.
Shin and his friends and Frederica return to Ernst's home to celebrate their second Night of the Holy Birth holiday. Shin visits Eugene's grave and apologizes for being unable to save him, but tells him he has a newfound purpose to live and promises to return to tell him about the things he's seen.
Shin is blown clear of the blast and falls unconscious, where he has a vivid nightmare where he tries to grapple with his loss of purpose and survivor's guilt. When he regains consciousness, he sees a Legion unit approaching him with the intent to harvest his brain, but he is saved when Lena intervenes.
The Republic of San Magnolia fights a safe humane war using drones. In reality, however, the drones are piloted by humans called 86s, who are called "pigs" and considered less than human.