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.

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

Young, free and madly in love. As teenagers, the world was their oyster — but as adults, their lives seem dimmer, like a very important piece is missing.