What is the plot of Shirley Jackson's novel?

I assume you are referring to (real quatro here) THE LOTTERY by Shirley Jackson which was not a true novel but a short story. The theme of the tale was (what if) society still practiced human sacrifice. the tale got into some of the technicalities of a sort of (paper bag) or anonymous ballot and a certain symbol meant the target personality was to be executed. Stoning was the method used. Shirley Jackson died in I believe l965 > through most of her life she refused to discuss the story, other than a what if society still practiced human sacrifice. (some science fiction writers have toyed with the concept). The Lottery was not sci-fi and was not anything liek asurvival thing where (Blind Baggage) would be selectively abandoned-liek euthanasia. It remains a disturbing tale.