To protect her three children and give them a better future, a desperate mother kills her abusive husband. But 15 year later, their lives have taken far different trajectories to what they expected.
After being diagnosed with a terminal illness, Futaba resolves to spend her remaining time reuniting her broken family, reopening the long-closed bathhouse, and helping her shy daughter Azumi learn to stand on her own.
When her boyfriend is arrested for marijuana possession, Joleen Reedy and her 11-year-old daughter, Tara, take refuge with Joleen's aimless brother, James. Joleen soon runs off with a truck driver, and James is unable to meet his responsibilities. After Child Protective Services takes possession of Tara, James abducts her from a foster home, and the two travel from California to Utah, where his abusive father lives.
Ryota is an unpopular writer although he won a literary award 15 years ago. Now, Ryota works as a private detective. He is divorced from his ex-wife Kyoko and he has an 11-year-old son Shingo. His mother Yoshiko lives alone at her apartment. One day, Ryota, his ex-wife Kyoko, and son Shingo gather at Yoshiko's apartment. A typhoon passes and the family must stay there all night long.
Two sisters learn about the existence of their long-lost biological mother, but the younger is unable to accept the fact that she was abandoned as a child.
Twelve-year-old Koichi, who has been separated from his brother Ryunosuke due to his parents' divorce, hears a rumor that the new bullet trains will precipitate a wish-granting miracle when they pass each other at top speed.