As the space race reaches fever pitch in the early 1960s, a trio of female African-American mathematicians attempt to overcome prejudice and find work with NASA. Their remarkable skills prove vital in getting an astronaut into orbit and bringing him safely back to Earth, but to realise their potential they must overcome deep-seated prejudice in the space programme and society as a whole. Fact-based drama, starring Taraji P Henson, Octavia Spencer, Janelle Monae and Kevin Costner