Shigemori is a lawyer tasked with defending Misumi in a murder trial. Misumi has previous convictions for murder and has confessed to the crime, but evidence in the case leads to Shigemori having doubts about what really happened.
In a small Tokyo apartment, twelve-year-old Akira must care for his younger siblings after their mother leaves them and shows no sign of returning.
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.
Twelve years after their beloved eldest son, Junpei, drowned while saving a stranger’s life, Kyohei and Toshiko welcome their surviving children home for a family reunion. Younger son Ryota still feels that his parents resent that he isn’t the one who died; his new wife, Yukari, is awkwardly meeting the rest of the family for the first time. Daughter Chinami strains to fill the uncomfortable pauses with forced cheer.