Twins Myles and Beckett, Artemis Fowl's younger brothers, return in their third adventure. For almost two years, Lord Teddy Bleedham-Drye has been plotting revenge against the Fowl Twins, who humiliated him in book one. Teddy plans to kill them. He threatens Myles with his weaponized jet, and Beckett and Specialist Lazuli succeed in disarming the aircraft and causing an accident that kills Lord Teddy. But does it really? Clones, fairy magic and criminal masterminds come together in this showdown between the twins and their enemy.