As the trainees are given a day off from their lessons, the girls split off into various groups doing various activities with their seniors. Nagisa decides to follow Chieri as she goes shopping, where they meet up with Yūko, who tells them about the last successor of Atsuko Maeda who disappeared during a concert. Meanwhile, Suzuko and Sonata becomes curious about AKB0048's producer, Sensei-Sensei, whilst Yūka and Orine meet with Tomomi Itano and her ancestors. As all of the current members teach the trainees about what gives them inspiration, Nagisa and Chieri decide to follow in Yūko's footsteps.
研究生となって1ヶ月。
すっかり共同生活にも慣れた凪沙たちに、月に一度の完全休養日が訪れた。
自主練をしようとしたものの、ツバサに「有意義な休みを」と言われ、悩んでしまう。
そんな中、1人、輪から離れていく智恵理。
彼女を追いかけて凪沙も街へと出かけていく。
この機会に、智恵理とちゃんと話したいと思ったのだ。
ほかの仲間たちも思い思いの休日を過ごすうち、襲名メンバーと出会い……。
