The story of "Windstorm" is unique. The first film of the series, released in 2013, spawned a franchise that has stretched across five parts. Unlike other popular youth movie hits, it was not based on a bestselling novel. The plot was created from scratch and was one hundred percent original (well, as original as a story about a troubled teenager and his beloved animal can be). Ostwind, named after the eastern wind, was a black stallion with a complex temperament. No one could connect…