Zoé has a dream : to become a jockey. Born in the stud farm run by her parents, she grows up with the foals and is never happier than on horseback. When Belle-Intrigante gives birth to a filly, Storm, she is determined : she will become a crack! The crack that her parents have been waiting for years and that she will ride. But one brutal night shatters her hopes. Storm, in a panic, tramples on Zoé's back and she can't walk anymore. Now at her lowest point in life, she will have to make the impossible a reality in order to to reconnect with her dream.