Forced into exile, the former secret agent of the Russian Emperor Amalia Korf was bored in London, but only until her daughter Ksenia found herself in the center of strange and dangerous events. Ksenia witnessed the death of a random passerby, who was killed in a very specific way - he was pricked with the tip of an umbrella soaked in poison... As it turned out, on the eve of his death, Mr. Robert Boyle received his own obituary by mail, where the exact date of his death was indicated. Such crimes began to occur with alarming regularity, and each time the victim received an obituary in advance... Feeling her involvement in the fate of the man who died in her arms, Ksenia took an active part in the investigation of unusual crimes, not suspecting that this could put her herself at risk... And only the intervention of the brilliant Amalia will allow us to avoid a new victim!