DreamWorks Spirit Riding Free centers on a group of three friends and their horses, who together experience coming of age and the power of friendship. Lucky, a gutsy 12-year-old girl, befriends a wild mustang she names Spirit. With her two best friends, Abigail and Pru, they explore a world filled with adventure and never-ending fun. Together they push their own limits and discover what it truly means to be free.