Publisher's Synopsis
When young detectives Matthew and Zach are approached by frantic jeweler Lucy Barclay, they find themselves on the case of a stolen diamond. As they dive into the mystery, they uncover hidden gun rooms, secret identities, and a dangerous gang. With twists and turns at every corner, will they solve the case before it's too late? Join Matthew and Zach in this thrilling detective adventure where nothing is as it seems.