The Four Deuces is a brothel owned by Johnny Torrio on the South Side of Chicago, Illinois located at 2222 Wabash Avenue. Not just a brothel, it serves as a bar, club and business headquarters for Torrio.
Al Capone and Jimmy Darmody work for Torrio as bouncers there. Jimmy stays and meets Pearl there when he first arrives in Chicago. Regina is the madam of the brothel. Odette is also a prostitute there.