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 aunt Agnes. 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.