Mrs. Berthelson is the only human that can travel through time, so she journeys to a post-apocalyptic Earth where she tries to sell life-saving supplies to the last surviving humans as they are about to escape the planet.

An African American man from the twentieth century goes back in time to prevent his town from being destroyed by a mob of violent whites.

A journalist interviews his favorite writer, only to discover that her seemingly science fiction novels are more realistic than he realized.

A Hemingway scholar is convinced by a conman to forge a Hemingway story in order to get millions of dollars in a plot that may disrupt the omniverse, even as the famed author steps in to intervene.

The world is at war: on one side, the corporate remains of human civilization. On the other, the aliens who have returned from Mars to live and regrow the Northern Hemisphere. In the midst of the war, one unnamed corporate solider realizes that their travel technology can be used to time-travel and takes that opportunity to try to save lives in the midst of this senseless violence.