Watch Whitestar for Free: How to Stream the Movie Online at 123Movies. . Megan has a special relationship with discarded jumping horse Whitestar. When it turns out that Whitestar still has special talents, the owner takes him away from Megan for competitions, but has no success. Only when Megan and Whitestar are together again does Whitestar turn out to be a real winner because they bring out the best in each other.