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.

Jeanne says something that strikes fear into Vanitas. Lord Ruthven makes Noé swear an oath. Olivier is at his wits' end over Roland's obsession. Noé has a consuming thirst. Vanitas hears a certain monster has returned and sets out with Noé to investigate.