In the far future, a selfless woman helps a wary man flee from a destroyed Earth to the world beyond the solar system.

In a future Boston, a passenger train disappears from a subway system so complex the system creates a second dimension. Government officials work to retrieve the missing car, but struggle to solve the impossible mathematic equations the system created.

In an apocalyptic future where Earth has been ravaged, a lonely man studies the stars until, one day, they come to him.

Upon encountering a former student of his on the train, a pompous writer is knocked off of his pedestal.