Mendle Orion is a writer who lives at the intersection of fiction and reality. He dreams about true love and is desperate to believe in the dreams that the real world denies.

The man's life is forever changed the day he finds a soulful young woman with intense blue eyes and total amnesia disoriented in his hotel bathroom during a science fiction convention. The earnest, open-faced young woman mysteriously and innocently responds to people, speech, and things around her as if she were seeing the world for the first time. It's love at first sight for Mendle, who is convinced there's an uncanny resemblance between the girl and a character in the story he is writing. He protectively takes the disoriented girl in, and names her Aira Flight, after the light being superhero in his latest book.

Each day Aira discovers the urban world around her: crime, war, poverty, love, nature, music, food, laws, fashion, and video games. Her naivete, compassion, and honesty are very special, but most shocking is the discovery that she has no navel.

As Mendle falls more in love with the stranger every day, he also notices that the book he has been writing begins to unfold as coinciding realities in his life. He struggles to sort out his fiction from reality. When the young woman begins to recover her memory, it is eerily what Mendle has been writing.

Then, she begins showing signs of superhuman physical abilities and genius intelligence. As missing pieces of the past fit together and the girl's real identity is revealed, the clues investigated lead to more unexpected discoveries.