Emma's son Jacob is autistic. He is obsessed with forensic science. When Jacob's tutor is killed, Jacob becomes a suspect. Emma hires a newbie lawyer, Oliver, to defend Jacob. Oliver feels that the only defense is insanity due to his Jacob's autism. But there are many twists and turns to this story and as this book is told from multiple narration, readers will be kept guessing until the very end. This book was a good read.