Noé is on an airship bound for Paris, where he hopes to find the legendary "Book of Vanitas." He meets a woman named Amelia as the ship nears its destination, and then all hell breaks loose when a mysterious stranger appears. Has Noé's quest found him?

Noé's encounter with Charlatan triggers a childhood flashback. His earliest days are revealed, along with Louis' dark secret. Noé grows up surrounded by friends, but an attempt to save one of their inner circle has tragic consequences.

Vanitas and Noé travel to Gévaudan in search of a creature known as the Beast, but things go sideways when they encounter a murderous paladin, a hostile acquaintance, and an old nemesis. Will our heroes survive these threats, not to mention the Beast?

Vanitas identifies Chloé's malnomen. Astolfo's hatred spirals out of control. Chloé must choose between annihilation and a dismal life. Vanitas remembers he doesn't have to be alone, but is it too late? Will our heroes save Gévaudan and themselves?