After a passionate courtship, Lord Frederick Trenchard marries the young and striking Clara Dunn. However, the intrigue and scandals of Belgravia, as well as secrets from Frederick's past, threaten the couple's newfound happiness.

Following their argument, Frederick attempts to renew their relationship by taking Clara to Glanville, their country estate, and reveals some of the trials of his childhood. Meanwhile, the Dunns take in the mysterious Nell as their new maid.

The Trenchards travel to Maywood for the Duke's birthday. Behind the scenes, business deals are being struck, but the Rochesters have private reasons for the trip. Meanwhile, Clara conspires to repair Frederick and James' relationship.

Reeling from James' visit, Frederick pushes forward in his work at the foundry. Clara finds comfort in a new group of friends made through Dr. Ellerby. A lonely James seeks solace elsewhere.

As Clara's fascination with Stephen's world develops, she makes a bold decision that alarms Davison. Meanwhile, James' private life finds him under threat, and Frederick grows determined to become part of the Marquise's new venture.

Emily confronts Clara about the painting, worried about the potential scandal for their family. Frederick moves forward with his investment in the silver mine, but Ross begins to grow suspicious of the Marquise.

Rumors about Clara and Stephen swirl around Belgravia and it feels like only a matter of time until they reach Frederick. Ross learns some information about the Marquise and sees an opportunity.

As Frederick grieves the loss of Clara, Enright receives a letter that pushes Frederick to confront his past. Clara and Davison adapt to life in the North, as Clara grapples with happy memories of home.