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.

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.

A young girl goes through a door in her house and discovers a parallel universe — only in this world, her seemingly loving family have cruel intentions.

A man begins searching for another world after being told of a place he had never heard of from a friend. What he finds reveals a secret world that exists in the present-day society.

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

A young mother in the rural Northeast writes magical children's books based on her daughter's adventures. Years later, the mother dies, and her daughter returns to her childhood house to find out whether or not the magical world she played in as a child really exists.

In a world of gods and demons, two young girls leave their village in search of better fortunes and adventure.

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.

In a faraway future, humans have sunk to the bottom of the food chain, with animals leading society and taking charge of the world. Despite animals' hatred for humans, a smart, observant horse becomes interested in a strange human girl, one who doesn't seem to fit in with her group.

Three girls in three different worlds, ranging from New York City to a fantasy kingdom, all grow diamonds in their bodies when they are sad, and each is exploited for this in a different way. As they grow older, this ability determines the shape and outcome of their lives.