In the wake of the sexual revolution and the rise of the women's movement, the 1973 tennis match between women's world champion Billie Jean King and ex-men's-champ and serial hustler Bobby Riggs was billed as the Battle of the Sexes and became one of the most watched televised sports events of all time. As the rivalry between King and Riggs intensified, each was also fighting more personal and complex battles off the court.