The courageous and heartbreaking story of a Czech countess who defied the Nazis in a legendary horse race.

Czechoslovakia, October 1937. Vast crowds have gathered to watch the threatened nation's most prestigious sporting contest: the Grand Pardubice steeplechase. Notoriously dangerous, the race is considered the ultimate test of manhood and fighting spirit. The Nazis have sent their paramilitary elite-SS officers on a mission to crush the "subhuman Slavs". The local cavalry officers have no hope of stopping them.

But there is one other contestant: a countess riding a little golden mare...

The story of Lata Brandisová is by turns enigmatic and inspiring. Born into privilege, she spent much of her life in poverty. Modest and shy, she refused to accept the constraints society placed on her because of her gender. Instead, with quiet courage, she repeatedly achieved what others said was impossible and rose above scandal to became her nation's figurehead in its darkest hour.

Unbreakable is a story of endurance and defiance in an age of prejudice, fear, sexism, class hatred, and nationalism. Filled with eccentric aristocrats, socialite spies, daredevil jockeys-and a race so brutal that some consider merely taking part in it a sign of insanity-Unbreakable brings to life a unique hero, and an unforgettable love affair between a woman and a horse.