romp through New York society.“Feud: Capote vs. The Swans,” based on journalist Laurence Leamer’s non-fiction book, focuses on author Truman Capote (Tom Hollander) and a group of high society New York City socialites that he dubbed “The Swans.”Capote won critical acclaim for his 1965 book, “In Cold Blood: A True Account of a Multiple Murder and Its Consequences,” which delved into the violent murder of the Clutter family in Holcomb, Kansas.The following year he hosted a now-legendary masked ball, called the Black and White Ball, at the Plaza Hotel, in honor of The Washington Post publisher Katharine Graham.