Erased Memories, Hidden Clues, and High-Stakes Spy Action! In this gripping installment in the Gallagher Girls series, it's up to Cammie's friends to rescue her from a deadly plot! The last thing spy-girl-in-training Cammie Morgan remembers is leaving the Gallagher Academy to protect her friends and family from an ancient terrorist organization that has been hunting her for over a year. So when Cammie wakes up in an alpine convent and discovers that months of her life have passed, she must face the facts: Her memory has been erased. Now Gallagher Academy holds more questions than answers. Cammie and her friends, plus the mysterious spy-guy Zach, have no choice but to travel to the other side of the world, hoping to piece together clues that Cammie left behind. But it's a race against time, because the terrorists will stop at nothing to prevent Cammie from remembering what she did last summer.