When she discovers her father's plane crash wasn't an accident, sixteen year old Emma wants to punish those responsible. Even if it means becoming a spy. The mysterious organization known simply as The Authority wants Emma to join The Gems. This team of all-girl spies knows how to handle themselves on dangerous missions...like stopping an evil plan to incinerate the world's food supply.
Sadie has the perfect life. But everything turns upside down when she’s rescued by a mysterious boy who won’t even tell her his name. As Sadie pushes for answers, she realizes her life isn’t as perfect as she thought. Not only is she caught in a world of dangerous secret agents she never knew existed, but it turns out her true identity may be the greatest secret of all.
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