あおぞらホールがついに閉館となった。
練習場所を失いコンサートの予定もない。残り1カ月となった晴見フィルだが、やれることがなくなってしまい、団員たちもバラバラになってしまった。
小村(西田敏行)に相談するが、それどころではない様子。なぜなら、自身の喜寿を記念した人生初のライブを控えていて、クラリネットの演奏に励んでいたのだ。しかし、予期せぬ事態が起きて……
一方、天音(當真あみ)は響(芦田愛菜)からバイオリンが上達していることを褒められる。しかし、なぜか天音は思い悩んでいる様子。というのも、実はある悩みを抱えていて……
そんな中、鏑木(満島真之介)が夏目家にやって来る。なんとドイツの名門交響楽団から俊平(西島秀俊)に常任指揮者のオファーがあると言う。それはかつて俊平が夢にまで見た憧れの舞台。二度とないチャンスで……
Aozora Hall has finally closed. We lost our rehearsal space and there are no concerts planned. The Harumi Philharmonic Orchestra has only one month left, but there is nothing more they can do and the members are scattered. They consult Komura, but he seems to have nothing better to do. Komura is not interested, because he is about to perform for the first time in his life to celebrate his 77th birthday, and is working hard on his clarinet performance. However, an unexpected situation occurs and ...... Meanwhile, Amane is praised by Hibiki for her progress on the violin. However, for some reason, Amane seems to be troubled. Because, in fact, she has a certain problem. ...... Then, Kaburaki (Mitsushima Shinnosuke) arrives at the Natsume household. To his surprise, a prestigious German symphony orchestra offers Shumpei the position of permanent conductor. It is the stage of Shumpei's dreams. It's a chance he'll never get again.