After a difficult childhood, Rosina Bulwer-Lytton landed in a marriage that quickly turned chaotic and stressful, and then became abusive. Part one covers the period of her life up to their separation.
Research:

Behind the Scenes Minis: Smashing Linoleum
19:47

Frederick Walton and the Invention of Linoleum
41:32

Swing Riots
36:33