In the dying days of the Edwardian Empire, Christopher Tietjens enters into a destructive marriage with the beautiful but cruel socialite Sylvia. Ignoring her overt flirtation with other men, Christopher resolves to remain faithful to her, even when he encounters fearless young suffragette Valentine.
Elenco: Benedict Cumberbatch , Rebecca Hall , Adelaide Clemens , Miranda Richardson , Roger Allam , Rupert Everett , Sasha Waddell , Janet McTeer , Tom Mison , Stephen Graham .