Catherine and Sara share the same father and that is all they share. Catherine, a reserved English aristocrat, grew up at her family's country estate in the years before the First World War. Sara, a passionate red headed beauty, lived with her selfish socialite mother in a marble palace on the French Riviera.

Set over a period of five years in the early 1920s against a glamorous and alluring background of auction houses, at the time of their boom, "Daughters" flits from the South of France to London, to Paris and to New York.