In 1963, Esther gives birth to Roland, the youngest of a large family. Roland is born with a club foot that prevents him from standing. Against everyone's advice, she promises her son that he will walk like the others and that he will have a fabulous life. From then on, Esther will do everything in her power to keep this promise. Through decades of trials and miracles of life, this film is the story of a true, funny and moving story, that of an incredible destiny and the greatest love there is: that of a mother for her child.

格拉兹是一名天赋异禀的骑马师，因为承诺给自己的赛马被卖走，而愤怒离开雇用自己的马场。 从零开始，她只能接受到父亲农场邻近的种马养殖场当饲马员。 马场主人约瑟芬·德·希莱纳，使用铁腕手段为前冠军、德国教练弗朗兹·马纳在此处经营着一项国际盛名的赛事，弗朗兹刁钻而陈腐，全世界富有的马师都争相渴望得到他的赏识和器重。 这个权力和金钱的小社会，并不需要格拉兹这种只负有满腹才华，性格坚韧，全力以赴的人。蓄足力量，准备超越所有障碍以及弗朗兹的她，甚至将自身置于常理之外：她只跟随着一个契而不舍的顽念：得到一匹自己的马，并带着它走向巅峰⋯⋯