Venus and Serena takes an unfiltered look into the remarkable lives of the greatest sister-act professional tennis has ever seen. In a sport where they were not welcomed, the indomitable Williams sisters faced the opposition with grace and courage not only breaking new ground for female and African American athletes everywhere, but dominating the women's game for over a decade. The film tells the inspiring story of how these two women, against all odds, but with the help of visionary parents, made it to the top. Venus and Serena also explores the struggle of these two aging superstars during the 2011 tennis season as they battle life and career-threatening health problems. In Venus and Serena we gain unprecedented access into the sisters' lives - both in the spotlight and behind closed doors - and we watch as they draw their greatest strengths from one another to overcome countless adversities.