It follows a group of people who are still living in temporary housing 12 years after a natural disaster called "Nani" destroyed their town.

Adapted from a book of poems by poet Taichi Nakao, the film is a road story set in beautiful nature and tranquil landscapes about a lonely janitor who doesn't communicate well and Haru, a teenage girl who is different, who travels on Route 29, which connects Hyogo-Himeji City to Tottori City, and through their encounters with marvelous people, they gain a richness of feelings, strengthen their bonds, and become fulfilled in their hearts.

When Ozu’s older sister and her husband suddenly passed away after an accident, 32-year-old Ozu temporarily moved to Fukushima from Tokyo in order to look after his 12-year-old niece Mei during the summer vacation. He has a modern way of thinking but is lethargic about everything in his daily life. In Fukushima, he meets the local residents who have been living positively with the aim of recovering from the Great East Japan Earthquake, as well as the immigrants who have come from outside of the prefecture in order to realize their aspirations. As he resides alongside his artistic niece, their bond starts to deepen, and through his interactions with Mei and the many residents of Fukushima, he starts to change and grow as a person.

Amiko isn't like other children. Her endless energy makes her an outcast at school and gets her in trouble at home. When a painful family loss disrupts her seemingly idyllic seaside life, her sense of isolation intensifies, yet it doesn't stop Amiko from inviting people into her world.

Nito, a fifth grader, heads to the nurse’s office after getting hurt from fighting with the boys from class as they always do. There, they see their classmate Shiori and learn about her secret.