On Easter Sunday, Agnes informs Ada, Marian, and Oscar of her nephew Dashiell Montgomery's imminent arrival in New York.

After giving Oscar his final verdict, George sends Clay to meet Mr. Henderson, the union leader at his Pittsburgh steel plant.

As the opera war heats up, an unlikely guest attends Bertha’s Met fundraiser, while Agnes backs Mrs. Astor’s effort to preserve the Academy’s dominance.

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.

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.

As George heads to Pittsburgh to deal with the potential strike, Bertha learns that the Duke will return for the Metropolitan Opera’s opening night.

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.

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.