While on vacation on the Nile, Hercule Poirot must investigate the murder of a young heiress.

In order to rescue his criminal father and restore the family fortune, Artemis Fowl II and his trusted servant and bodyguard Domovoi Butler seek the existence of fairies (believing that it makes a connection to his father) in hopes of robbing them.

When a murder occurs on the train on which he's travelling, celebrated detective Hercule Poirot is recruited to solve the case.