When panic erupts on a Tokyo-bound bullet train that will explode if it slows below 100 kph, authorities race against time to save everyone on board.

In 1979 Tokyo, four distinct sisters uncover their aging father's affair, causing their happy facades and bottled-up emotions to slowly unravel.

The appearance of a mysterious little boy interrupts the quiet, predictable life shared by an artist with autism and his caring older brother.

Taken in by the yakuza at a young age, Kenji swears allegiance to his old-school boss, pledging to adhere to the family code amid ever-changing times.