Camille Harris, an 11 year old girl, is just beginning her new school, Easton Spy Academy. The year seems to be off to a good start. She has great friends and enjoys all her classes, especially her spy class. All seems to be going well. Suddenly, everything goes wrong. Something gets stolen, someone goes missing, and people get sick. Now Camille has found out that the school is at risk of shutting down. Who could have done all of this? Why? Camille's natural kindness and compassion for others makes her want to do something...but should she?