After a passionate courtship, Lord Frederick Trenchard marries the young, striking Clara Dunn, but Belgravia’s scandals and the secrets from Frederick’s past threaten the couple’s newfound happiness.

After an argument, Frederick tries to renew the relationship by taking Clara to Glanville, their country estate, and reveals some of the trials of his childhood. 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 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, while 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.

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.