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 portrays the character of Martin D. Ginsburg, Ruth's supportive husband and fellow lawyer. The film explores Ruth's early career struggles, her groundbreaking cases, and the challenges she faced as a woman in a male-dominated profession. It received positive reviews for its powerful performances and important message.