Three people die, in agony, each the victim of a different poison. The police are convinced that there is no connection. Inspector Tom Worth disagrees. So does Willow King. Risking not only the secrets of her double identity, but also her own life, Willow races to unmask the serial killer before anyone else is murdered. From the dreariness of her part-time job in Clapham to the luxury and extravagance of her life in Belgravia, this most unusual female sleuth takes up the challenge and becomes involved in an exciting but near-fatal adventure.