Nothing ever happens in a sleepy American town like Middlebrook. Until the shocking events of one hot Saturday afternoon when, at a back-to-school party, nine children sneak off to a barn. And one child is shot by another. The press are asking questions. About the type of parents who let their children play unsupervised in a house with guns. About how damaged a child must be to commit this kind of atrocity. Two questions are the most urgent, and the most baffling. Of the nine children who were present in that barn, which one actually pulled the trigger? And why are the others staying silent?