After a commuter train suddenly accelerates into a tunnel, the passengers in one of its cars lose consciousness and awaken in a desolate landscape.

In Tokyo, train passengers find themselves fighting for their very survival after their train car jumps into an apocalyptic future.

In Tokyo, train passengers find themselves fighting for their very survival after their train car jumps into an apocalyptic future.

Shirahama and Kayashima carry the critically wounded Kato back to the train car, where they and the other passengers work together to save his life.

Car No. 6's de facto leader pleads with Shirahama's group to work together, return to their original time and warn the world of an impending calamity.

Kayashima and Shirahama find bloodstains in car No. 6 while searching for Hatano; the passengers of car No. 5 craft weapons to defend themselves.