As George faces opposition for a new railway plan, Bertha prepares for the Duke's return, and Ada finds purpose in the temperance movement.

Amid their domestic quibbles, Agnes and Ada welcome the Scotts into their home. Bertha and George disagree about Gladys's future.

While George enters tense negotiations with the Duke, Larry and Jack meet with a potential investor. Later, the Scotts meet the Kirklands.

Bertha deals with unwanted rumours in the press… and the surprise arrival of her sister Monica.

While Gladys adjusts to her changed circumstances, Larry runs into a familiar face. Peggy gets an opportunity from an old colleague.