From the award-winning director of Pride and Prejudice comes a stunning, critically acclaimed epic story of love. When a young girl catches her sister in a passionate embrace with a childhood friend, her jealousy drives her to tell a lie that will irrevocably change the course of all their lives forever. Academy Award® nominee Keira Knightley and James McAvoy lead an all-star cast in the film critics are hailing "the year's best picture" (Thelma Adams, US Weekly).