In the thrilling finale to the best-selling series, the teenage genius, Artemis Fowl confronts his arch rival Opal Koboi, the evil pixie who is again wreaking havoc. Opal has somehow reanimated dead fairy warriors who were buried in the grounds of Fowl Manor. Their spirits have possessed Artemis's little brothers, making his siblings even more annoying than usual. The warriors don't seem to realize that the battle they were fighting when they died is long over. Artemis has until sunrise to get the spirits to vacate his brothers and go back into the earth where they belong. Can he count on a certain fairy to join him in what could well be his last stand?