An urban detective story in which the investigator is a teenage girl and the body is her own. Poppy has developed a tic. A twitch. A spasm. It spreads through her body, then her group of school friends and before long, the whole town. Nobody can explain it, but as the disease spreads, the community begins to fracture along lines that turn into deep fissures. Who or what is to blame? And how are they going to fix it? Inspired by the true story of 'the...