ABC 20/20

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.

Tom Raikes’ visit to New York delights Marian but worries her aunt Agnes. As an increasingly desperate Peggy seeks legal advice from Mr. Raikes, George takes steps to further his latest business plans, Oscar van Rhijn homes in on young Gladys Russell, and a charity bazaar becomes the source of a dramatic stand after Bertha is slighted.

'Face the Music.' George faces a surprise development. Marian sees Mr. Raikes against Agnes’ wishes. Ada runs into an old friend.

'A Long Ladder.' Marian learns more about Mrs. Chamberlain. George makes a deal to benefit Bertha. Peggy meets a trailblazing newspaperman.

George and Bertha extend an invitation to a young man who’s piqued Gladys’ interest. After charming Mr. McAllister, Bertha accompanies Marian and Aurora on an overnight trip 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, and Armstrong intensifies her campaign against Peggy.

As a historic moment captures the city, Agnes vows to protect her family’s reputation. Larry’s career plans rub George the wrong way.

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

As Marian prepares to embark on a new adventure, Ada and Aurora rush to stop her before it’s too late. With Gladys’ debut ball fast approaching, the clash between Bertha and Mrs. Astor has consequences for New York society. The discovery of a shocking letter changes everything for Peggy, and Baudin lays out his double life.