Murderer from the Past

Autumn of 1870. Having read a chapter from the novel "Murderer from the Past," Alexandra Ilyinichna Tarusova unexpectedly learns that the crime described in it — the murder of a cab driver and his mistress — actually took place. But when? Before the newspaper's release or after? How does the author of the novel, Andrei Guravitsky, know so many details? After all, even the investigator found them out not immediately. Is Ivan Strizhneva, detained by the police, guilty, or, as claimed in the novel, did the real murderer plant evidence against him? If so, then, according to the new science of optography, his image should be imprinted in the eyes of the victim. And Alexandra Ilyinichna decides to look into them…