Percy Jackson fought Greek Gods. Now the Gods of Egypt are waking in the modern world. Carter and Sadie's dad is an Egyptologist with a secret plan that goes horribly wrong. An explosion shatters the Rosetta Stone and unleashes Set, the evil god of chaos. Carter and Sadie embark on a terrifying quest to save their dad, and discover the truth about their family's connection fo the House of Life; an Egyptian temple of magic thousands of years old.