Agent Luna has been undercover at Nobel High School for most of the school year, and as the year nears an end, her assignment takes on added complications. Her Control agent is now her science teacher, the gym teacher knows her secret, her friend Oliver’s father works for the evil Count Von Brucken, and Von Brucken’s son Jonah may be Luna’s greatest hope. With her secret on the verge of being exposed, Luna begins a dangerous alliance with Jonah—who may also turn out to be her first boyfriend! And when Luna’s friend Francesca decides to make some new friends of her own, she discovers that Von Brucken isn’t the only villain at Nobel High!