Anna Karenina.

Anna Karenina was a 1977 BBC television adaptation of Leo Tolstoy's novel & tragic story of the love affair between Vronsky, a Russian Count and Anna Karenina, a married upper class woman. Nicola Pagett takes the role of Anna, a young woman who is married to a man twenty years her senior (Eric Porter), and who begins a passionate affair with the handsome Count Vronsky (Stuart Wilson). When she falls pregnant, Anna decides to dissolve her marriage and wed Vronsky, but true happiness proves elusive.