"When Thomas Pitt is tasked with playing bodyguard to Sofia Delacruz, a young and controversial British preacher who has been living in Spain and has returned to England on a mysterious errand, he thinks it's a waste of Special Branch's time and resources. But when kidnappers manage to reach Sofia murdering two of her companions in the process. Pitt learns that the message the lovely evangelist was meant to deliver was far more urgent than he knew....

Privately summoned by Queen Victoria when one of her closest confidantes is found murdered, Thomas Pitt navigates the secretive world of London society in what becomes the most dangerous case of his career.

Thomas Pitt arrives at a devastating bombing in Lancaster Gate to find two policemen dead and three more gravely wounded. London's anarchists are blamed, but as Pitt and Inspector Tellman investigate they find it looks increasingly like a personal vendetta against those particular men. Did they lie about a drugs raid that went fatally wrong, and let an innocent man hang? The idea of police dishonesty cuts Tellman to the quick--he joined the force...