Brilliant Egyptologist Dr. Julius Kane accidentally unleashes the Egyptian god Set, who banishes the doctor to oblivion and forces his two children to embark on a dangerous journey, bringing them closer to the truth about their family and its links to a secret order that has existed since the time of the pharoahs.

Melody's mother died shortly after Melody was born, and compared to the remarkable person her mother was according to her father's stories, 10-year-old Melody feels completely unremarkable, so when Melody discovers she'll be getting a new stepmother soon, the one birthday wish she has, to have a talk with her mother, may just result in her receiving the most important birthday gift of all.

Brought to the undergrown city of Nowhere Special, Anastasia learns she is Caveland royalty and that her family figures into a centuries-old scandal that began with the disappearance of her grandfather.