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 teenage girl stumbles upon a mysterious portal leading her to a utopian, magical world, her storyline converges with that of the author—a middle-aged, married mother of two who has come out as asexual to her husband—leading both to a reckoning with their unfulfilling romantic relationships and deepest desires.

When a young girl finds that she can no longer visit the magical world she loved as a child, she tries to find her way back to that world while struggling with the challenges of growing up.

A young man gets a job working the graveyard shift at a local burger place and realizes that several of the costumers who come at night are from parallel universes. He plots to escape his world and travel across all the other universes, but there's a catch—once he leaves his home universe, he can never go back.

A young girl waits patiently to be allowed back into an alternate universe, where she has been prophesied to resolve an ancient war.

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 formerly imprisoned child seeks to understand the higher order beings in their universe.

In a universe that regenerates continually, producing the exact same timeline with each big bang, humans struggle to find meaning in lives over which they have no control.

A stranger from the faraway future appears in a young man's room in 1952 with an urgent mission.

All over a large city, people are disappearing down rabbit holes into fantasy worlds which are tailor-made just for them. As a young woman watches the streets of her city empty, she begins to worry that her own custom-made rabbit hole may never appear—and she could be stuck in the human world forever.