September 1939. Inspector Betty Church has arrived from London to fill a vacancy at the police station in Sackwater, the town she grew up in. When Betty is called to the train station to investigate a stolen bench, she instead finds smartly dressed man, murdered in broad daylight, with two distinctive puncture wounds in his throat. In this series debut from the creator of the Gower Street Detective novels, Betty Church steels herself to hunt a dangerous killer whom the locals believe may be a vampire.