As housemaid Emma and young master Edwin fall deeper in love, she struggles to see how they can overcome their class differences. Meanwhile, Adam and Olivia continue their own love affair as Adele's erratic behaviour and paranoia worsen. In the 1970s, 80-year-old Emma reckons with her children's plan to oust her from the Harte empire - unaware of a secret romance blossoming between her protégée granddaughter Paula and Jim Fairley.