1882. After the death of her father and accompanied by Peggy Scott, Marian Brook travels to New York to live with her aristocratic aunts, Agnes van Rhijn and Ada Brook. Meanwhile, determined to break into society, ruthless tycoon George Russell and his ambitious wife Bertha move their family into a lavish mansion across the street and prepare to throw their first soirée.

An unfortunate development finds George’s new rail station under threat. Despite Agnes’ warnings, Marian continues to see Mr. Raikes, who lays his ambitions bare. Peggy learns that a publisher is interested in her stories. At a talk given by Clara Barton, Ada reunites with a childhood friend. Oscar grows attached to his plan, while Jack invites Bridget to a show.

George and Bertha extend an invite to a young man who's piqued Gladys' interest. After charming Mr. McAllister, Bertha accompanies Marian and Aurora to hear Clara Barton speak in Dansville. There, Peggy works on her article and shares the story of her first love with Marian, whose interest in Mr. Raikes continues to grow. Oscar crosses paths with a vengeful Turner.

Bertha goes all out at a luncheon to impress Mr. McAllister, enlisting the help of Bannister — who rubs Church the wrong way. George fights to protect his public image, while Agnes’ status quo is disrupted. As Marian debates her feelings, Mrs. Chamberlain makes her an offer. Gladys bonds with a new friend. Armstrong intensifies her campaign against Peggy.

During her first visit to Newport, Bertha follows Mr. McCallister’s lead but is soon reminded of her place. Oscar’s pursuit of Gladys is threatened by a familiar presence. George gets his day in court. Worried about Armstrong’s interference, Peggy reveals her past. Marian makes a decision about her romantic future. Bridget follows Jack across the city.