Big day at KitaTetsu. The 25th anniversary of the Railway gets underway as fans eagerly await the event. The show's TV host, Fukuda Moe (playing as herself) is there covering it. It is two hours before the departure of the parlor train. The camera shows pre-recorded footages of the Amas making 300 unidonburi for the event. It also shows Aki, saying that this event will be her 'graduation' and that she will go back to being an Ama, and an ordinary high school girl. It is already two hours before the event. But at the Tourism Office, director Ikeda is fuming mad because Yui hasn't shown up yet. She hasn't called up either. Backtracking to what happened yesterday afternoon: After Yui overhears Takuma on the phone, she rushes to the Tourism Office, to use the internet. She quickly searches for 'Futomaki-san,' and the net of course came up with futomaki* dishes. She tries again and it gave her info on Aramaki Taichi, a famous producer whose nickname is 'Futomaki-san'. Hiroshi recalls that Yui had looked for 'futomaki' on the internet yesterday. "Wonder if she went on a journey to look for the ultimate futomaki?" "Could she possibly be obsessed with food that much?" Ikeda flares up. "That is not important right now! Where did Yui-chan go? If she's not here, the program will not be complete!" Aki says they practiced at the snack bar yesterday and wished each other 'good luck tomorrow.' "Then, we both rode the 7:30 train home.
アキ（能年玲奈）は失恋の痛手から立ち直り、お座敷列車イベントへの参加を決める。すると、アキとユイ（橋本愛）のユニット「潮騒のメモリーズ」を目当てに、観光客が殺到。地元テレビ局の取材も入り、北三陸駅は盛り上がる。しかし、約束の時間になっても、ユイが現れない。昨日、水口（松田龍平）の謎の電話を、ユイはこっそり聞いてしまったのだ。その電話の内容とは？！ 時間が迫るなか、果たして、ユイは現れるのか？
