Tells the incredible untold story of three brilliant African-American women Katherine Johnson, Dorothy Vaughan, and Mary Jackson working at NASA who served as the brains behind the launch into orbit of Astronaut John Glenn. It's a really good movie great cast the three women are played by Taraji Henson, Octavia Spencer, Janelle Monae. With others including Kevin Costner, kristen Dunst, and Jim Parsons.