When London police inspector Thomas Pitt began investigating the murder of a young girl named Fanny Nash, he did not know that the murdered woman was, in fact, just a child, innocent and harmless. In addition, the examination established that shortly before Fanny’s death she was raped. The tragedy occurred literally a stone's throw from her brother's house, where she lived, in a respectable neighborhood on Paragon Walk. Pitt immediately realized that this case would become his personal problem. The point is that all the servants at this time had irrefutable alibis, and a stranger had practically no chance of either entering or leaving the quarter unnoticed. It turns out that the murderer and rapist are one of the men living here in the block. And among them is Thomas’s brother-in-law, Lord George Ashward. And he doesn’t have an alibi...