Murder by Appointment

In an Edinburgh street, a woman rushes up to Faro . She says someone is trying to kill her. Handing her into a cab, he is hit over the head. Later in the police mortuary he sees her body and that of a man whose likeness suggests they were closely related. Why have they both been murdered? His investigation reveals some startling facts that lead him to the Queen’s residence at Balmoral Castle and a secret that could destroy the Royal family and the future of the throne.