Set in the 1930s, a new six-part BritBox series tells of the infamously non-conformist Mitford sisters, whose involvement in various political causes roiled their aristocratic parents.

JAMES PUREFOY: (As David Freeman-Mitford) We did not go wrong. I mean, I'm normal. You are normal. They all had a perfectly normal childhood. Each one of these girls is more perverse than the other.

While in Germany, she published a letter in support of Hitler's policies in a German newspaper, a letter which found its way back to her home country reprinted in English to the dismay of many who ...