Phoebe is autistic. She prefers to stay in her comfort zone: walking her dog, writing fantasy fiction, surviving school with as few incidents as possible.
When her best (and only) friend rebels and gets a secret boyfriend, Phoebe reluctantly agrees to cover for her. Before long, Phoebe’s dealing with all sorts of things she’d rather not, like deception, fashionable jackets, and the bewildering politics of the school chess club. Breaking the rules has never been Phoebe’s thing, but as events take a seriously unexpected turn, she realises there’s more to her than she ever imagined . . .