Artemis Fowl faces a new and dangerous challenge: he develops a psychological disorder called the Atlantis Complex, which causes obsessive-compulsive behaviors, paranoia, and split personalities.
While struggling with this mental condition, Artemis must stop a sinister plot threatening both the human world and the fairy realm. With the help of his friends — including Holly Short, Butler, and Mulch Diggums — Artemis races against time to outsmart enemies and save everyone.