In Miss Scarlet and The Duke Season 4, Eliza has taken over the business of Nash & Sons (not that he has any sons) and things are not going entirely smoothly, although help comes from some familiar sources. Outside of work, her relationship with William 'The Duke' Wellington builds towards a looming decision that will shape both their lives.

D'Artagnan arrives in Paris trying to find his attackers after being left for dead, which leads him to a real war where the future of France is at stake. He aligns himself with Athos, Porthos and Aramis, three musketeers of the King.

In the Mississippi Delta of the 1940s, two farming families one of white landholders, and one of Black tenant farmers are bound by the unforgiving soil they share as they struggle to survive amid the upheavals of World War II and the poisonous hatred of the Jim Crow South. Each family sends a young man off to battle; when they return home, scarred, and find a common bond, the community is ripped apart.