On the Basis of Sex is a biographical legal drama film directed by Mimi Leder. The film tells the inspiring true story of Ruth Bader Ginsburg, a young lawyer who fought for gender equality and became a U.S. Supreme Court Justice. Armie Hammer plays the role of Martin Ginsburg, Ruth's supportive husband. The film explores Ruth's early career struggles, her groundbreaking legal cases, and the importance of fighting for justice. On the Basis of Sex received positive reviews for its powerful performances and timely message.