Voices in my head. It's driving me mad. It's like my skull's splitting open from the inside. They're talking to me. Laughing at me. Telling me what to do. I'll have their tongues. That'll shut them up. Danny is terrified of being like his father. His dad ended up in prison after a night of savage violence. But then he finds his father's diary and uncovers his dark thoughts - and even darker secrets. Who was whispering to his father, goading him, leading him on? And what if they are coming back for Danny?