Lucky Prescott's life is changed forever when she moves from her home in the city to a small frontier town and befriends a wild mustang named Spirit. Lucky Prescott's life is changed forever when she moves from her home in the city to a small frontier town and befriends a wild mustang named Spirit. Lucky Prescott's life is changed forever when she moves from her home in the city to a small frontier town and befriends a wild mustang named Spirit. Lucky Prescott's life is changed forever when she moves from her home in the city to a small frontier town and befriends a wild mustang named Spirit.