As a sophomore at a secret spy school and the daughter of a former CIA operative, Cammie is sheltered from "normal teenage life" until she meets a local boy while on a class surveillance mission.

Fifteen-year-old Kat Bishop and her fellow talented teenagers work together to find and steal the "Cleopatra Emerald" from an unscrupulous dealer and return it to its rightful owner, while a former love of her Uncle Eddie tries to get the gem for herself.