Michiki Reina (愛菜Ashida) jumped to take the overnight train with Nao (Yasuko Matsuyuki)
Nao gave Reina a new name, Tsugami to start a new life as mother and daughter.
They were thinking stopover in hiding. However at the train station Nao had her wallet and all her money stolen.
She could not go to the police, so in desperation Nao decides to go to the orphange she stayed at temporairily as a child to seek her former caregiver.
Unfortunately the orphanage was abandoned with her former caregiver senile. She stays a few days there before the caregiver is taken away to a nursing home, with Tsugami in tow they both head to Tokyo.
레나를 데리고 야간열차에 몸을 실은 나오. 그녀는 레나에게 츠구미란 새 이름을 지어주고 새로운 인생을 시작하려 한다. 그러나 신문에서 레나에 대한 기사를 본 나오는 불안감에 휩싸이고 결국 역에서 돈까지 잃어버리고 만다. 모든 계획이 틀어져 고민에 빠진 나오는 자신이 어릴 때 있었던 아동보호시설을 생각해낸다. 그리고 레나와 함께 그곳으로 향하는데...
奈緒為憐南改名為繼美以防被認出，奈緒的路費被偷不得已帶繼美來到了自己兒時呆過的收容所桃子之家。奈緒得知桃子之家被沒收了產權后打算再次啟程，繼美卻堅持不願離開患了老年痴呆症的桃子婆婆。奈緒終於決定和繼美留下，桃子婆婆卻被人強行帶走。婆婆走之前含淚與繼美告別，繼美被迫與婆婆分離。奈緒的養母藤子因找不到奈緒而聯絡了她的生母望月葉菜，葉菜與她見面后在馬路上與奈緒擦身而過。
奈緒（松雪泰子）は怜南（芦田愛菜）を継美という名に変え、東京へ向かった。そんな中、下車した駅でバッグを盗まれてしまう。途方に暮れた奈緒は、子供のころに預けられていた施設を訪ねる。だが、施設は荒れ果て、老婦人が一人で暮らしていた。一方、奈緒を心配した妹・果歩（倉科カナ）は奈緒の小学校を訪ねる。
