As a historian in the bleak, climate-ravaged twenty-third century, it's Zoe's job to record and archive the past, not to recreate it. But when she comes across the diaries of Harry and Michelle, who lived two hundred years ago, she becomes fascinated by the minutiae of their lives and decides to write a novel about them, filling in the gaps with her own imaginings. Harry and Michelle meet just after the Brexit referendum when Harry's car breaks down...