Colbert is alive; he had faked his death thanks to Tabitha. Using knowledge from the Zero Fighter he constructed the airship called "Ostland" with an advanced coal-burning steam engine and invites everyone on it. Saito worries about what to say about Tabitha. Louise is still suspicious about what she witnessed between Henrietta and Saito and enlists the help of Siesta and Tiffania to capture Saito and find out the truth by using a magic item that will reflect what happened the previously night...