It tells the remarkable true story of athlete Diana Nyad who, at the age of 60 and with the help of her best friend and coach, commits to achieving her life-long dream: a 110-mile open ocean swim from Cuba to Florida.

It tells the remarkable true story of athlete Diana Nyad who, at the age of 60 and with the help of her best friend and coach, commits to achieving her life-long dream: a 110-mile open ocean swim from Cuba to Florida.