This book opens in a small town in Michigan where Sarah Cole and her sister Lacey are now living with their Aunt and Uncle. Still reeling from the fact her parents have disap-peared, Sarah starts the school year with her new friend Jackie Jenkins. When Sarah learns the school has been bombed, she's filled with dread. Uncle Walt is a teacher, and he was in the school when the bomb exploded. Taking matters into her own hands, Sa-rah decides to search for him. The rest of the Super Spies are right behind her. When a fireman chases them away from the school, Sarah becomes suspicious. She decides to investigate. The FBI arrives on the scene. Sarah realizes this bombing could have even bigger implications. Searching for the bombers, Sarah is introduced to the world of ter-rorism. She fears that the bombing and her parents' disappearance are connected and terrorists are involved. To make matters worse, the bombers are determined to finish the job. Can the Super Spies find the bombers before it's too late?