After receiving discouraging news about the Met, Bertha deals with rumors that are swirling about Larry. Fearing her sister's disapproval, Ada asks Marian to cover for her as she continues to see Mr. Forte. Later, Bertha vies for position with the visiting Duke of Buckingham, and, in Tuskegee, Peggy navigates a tense dinner with Mr. Fortune and Booker T. Washington.

While Ada questions whether to move forward without her sister's support, Agnes faces the prospect of living alone. In Newport, Bertha puts the finishing touches on the event of the season as Mrs. Winterton plots her revenge. After experiencing the best of the Tuskegee Institute, Peggy and Mr. Fortune witness the dangers of the South firsthand.

Against the backdrop of the biggest event in New York City's history, Bertha reconsiders her loyalty to the Met. Meanwhile, an engagement celebration leaves Marian with doubts, Peggy strives to make a difference in Brooklyn, George strikes a deal with Mr. Henderson, Oscar makes an alarming discovery, and the van Rhijn household reels as Luke's health deteriorates.

While the staff question their future in the van Rhijn household, Jack receives welcome news about his patent. After scoring a victory for the local schools, Peggy considers her future at the NY Globe. Later, Marian confesses her true feelings to Dashiell – and Bertha and Mrs. Astor make their final moves in the opera war.