Seth, Sadie, and Fami have always loved playing spy games--but now they have received real spy training at a special academy near London. Little do they know that they will be called to use every skill they have learned--and more!

As they rush off to Brazil, they realize something is not quite right even before the plane lands. But it's not always easy to tell which people are friends--and which are really enemies.

Faced with saving the lives of thousands, how can they know which people they can rely on? Hang on tight as you take an exciting South American adventure with