As the sun sets on the Edwardian empire, principled aristocrat Christopher Tietjens enters into a tumultuous marriage with Sylvia, a cruel socialite, despite the questionable paternity of her unborn child. Ignoring her overt flirtation with other men, Christopher resolves to remain faithful, even after meeting Valentine Wannop, a fearless young suffragette, with whom he becomes quite smitten. Meanwhile, Christopher