Following the Opera War, the old guard is weakened. The Russells stand poised to take their place at society's head. Bertha sets her sights on a prize that would elevate the family to unimaginable heights; George risks everything on a gambit that could revolutionize the railroad industry. Agnes refuses to accept Ada’s new position as lady of the house. Peggy meets a doctor from Newport whose family is less than enthusiastic about her career.

After the Screening: A conversation with Carrie Coon, Morgan Spector, Christine Baranski, Cynthia Nixon, Louisa Jacobson and Denée Benton and series creator Julian Fellowes.