In 1909, Clementine Churchill steps off a train with her new husband, Winston. An angry woman emerges from the crowd to attack, shoving him in the direction of an oncoming train. Just before he stumbles, Clementine grabs him by his suit jacket. This will not be the last time Clementine Churchill saves her husband.

Lady Clementine is the ferocious story of the brilliant and ambitious woman beside Winston Churchill, the story of a partner who did not flinch through the sweeping darkness of war, and who would not surrender either to expectations or to enemies.