A young man struggles to rationalize with fate as he watches the people he loves experience immense pain and suffering. As he learns more about the physics of the universe and slowly teaches himself how to travel through time, he begins experiencing surreal moments where he can actually see the alternative paths he and his loved ones could have taken, and how they would all have been different if they had.

While waiting for an unrequited love to return, an elderly woman ruminates on her role in discovering an elegant alien technology. She feels death approaching and regrets not seeing her love again before she passes—only for him to arrive in the nick of time.

A simulacron, who serves as a representative of an alien species, speaks with the US Secretary of Science about their wish to purchase the planet Jupiter. While the Secretary worries about stirring up conflict between the simulacron and another species, the simulacron assures him that no harm will come to Earth, and the two eventually reach an agreement.

In the far future, an invention called "the prism" uses quantum mechanics to cause divergences in future timelines and create a means of communication across these alternate realities. Two different women explore the choices they have made in their own lives and the regrets they harbor--and have to figure out how to ultimately make peace with their decisions.

As a programmer builds a videogame world, the stars above Earth go out and reality begins to disappear one landscape at a time until nothing is left but a memory of a woman, Sarah.

In a dystopic future on Earth, as a woman comes home from vacation, she hears about a continent emerging from the sea as old ones sink, and returns to find her husband released from Rehabilitation Camp. He and his fellow researchers discover how to make a “sun tap” to channel the sun’s energy into power, but then he is again forced away by the government, into a hospital.

A 1970s time travel simulator allows users to see the end of the world.

A woman finds a genie in a bottle after the end of the world — except that he's not a genie, he's a wish-fulfiller and former theater-critic, and this is the sixth apocalypse through which he's had to live.

After it is announced that an apocalyptic event that will destroy all life in the universe, an astrophysicist and her gardener mother meet in near-future England to decide how to spend the last months of life.

Eventually it came to pass that no one ever had to die, unless they ran out of money. Then, unless they were so horrible that society had to dispose of them. Then, unless wanted to or could be talked into it. Then, no one would die so long as they had just one person who loved them.