After Nobody destroys the connection between fictional and nonfictional worlds, causing nonfictional people to lose their imaginations, Owen and Bethany must risk everything to save multiple realities.

Aided by old friends and new, Owen and Bethany try to bring the light back to Jupiter City, a comic book world where they discover a link between the Dark and Bethany's father.

Fort and his friends face more perilous ancient magic as they prepare for the final battle to prevent the Old Ones from returning and destroying humanity.

Seeking revenge from his loss in the Cursed City, the Golden King starts spreading shadow magic over the kingdoms, and according the fairy queens sacred book, only Lena can defeat him and his dark spells, but first she must prove she is worthy but completing three challenges.

"The future has been saved, but at a cost: Fort Fitzgerald has been expelled from the Oppenheimer School, and some of Fort's friends have been lost in time. But time is the one thing Fort, Rachel, and Jia don't have, as they'll soon be facing one of the eternal Old Ones, the Timeless One, for the fate of the world. If they lose, the Old Ones will return, and humanity is doomed. If they win, the Old Ones will still return, and humanity is doomed. Because...