Mother

Hara Nao (Yasuko Matsuyuki) is not married until the mid-30s. She went on a study of migratory birds intently at the University of Muroran. Meanwhile, the sudden closure of the university laboratory, Nao became the reluctant science teacher at a local elementary school. She became a freshman homeroom teacher replacing a teacher on maternity leave. Nao notices a student (Rena) in class with some bruises on her body. The authorities turn a blind eye to the child abuse. Nao decides to kidnap Rena to start a new life with her assuming flase identities. Their journey begins . . .

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.

Having no money mid-flight to Tokyo from Muroran, Nao (Yasuko Matsuyuki) decides to borrow money from her stepmom in Tokyo to stay at a hotel with Tsugami -without telling her stepmom about Tsugami. While leaving Tsugami to meet her Stepmom, Tsugami bumps into Nao's birth mom. NAO begins her search in the city looking for a place to live and work the next day. Nao finally finds a janitor job and start workings but has to leave Tsugami for extened periods.

Nao (Yasuko Matsuyuki) decides to take Tsugami to live with her Step mom and step sisters after realizing Tsugami was being left alone for too long. During the brief peace, Nao tries to enroll Tsugami in a school but without identity papers the task seems impossible.

Nao realizes the old lady -owns the barbershop- that was helping her with Tsugami is really her birth mother that she believes abandoned her many years ago. The reporter that was tracking her down from Hokkaido finds her in Tokyo with Tsuagmi. He blackmails her for 10 million yen to keep his silence. At the same time, in Hokkaido Reina's mother mother Hitomi (Ono Matiko) has her daughter's funeral.

Nao's family finds out she kidnapped Tsugami forcing Nao to decide to dissolve her adopted status sparing the family any potential repercussions if she is caught. Tsugami decides to runaway and return to Hokkaido as she does not want Nao to breakup with her family. Nao desperately searches for her by retreacing the steps she took with Tsugami on their way to Tokyo. In the end both Nao and Tsugami leave her step mom's home . . .