Atlantic City bootlegger Nucky Thompson (Steve Buscemi) demands respect, new rival Gyp Rosetti (Bobby Cannavale) wants revenge, Nucky’s brother Eli (Shea Wigham) seeks redemption, and a stellar supporting cast gives life to original gangsters Capone, Luciano, Lansky, and more while blood boils and the body count rises in the sprawling third season of HBO’s Prohibition-era drama.