Windstorm / Ostwind - Ari's Arrival

The official game based on the feature film "Windstorm - Ari's Arrival"
The steed Windstorm is suffering from anxiety after surviving a fire, and not even Mika is able to help him. Until the feisty Ari arrives on the ranch. Even though she has no experience in riding horses, she quickly befriends Windstorm. Mr. Kaan teaches the girl how to take care of the horse and how to maintain the right posture in the saddle. Will Ari learn to ride as fast as her predecessor Mika? Will she be able to help Windstorm become his old self?
What is behind the legend of the horse warrior that Mr. Kaan is talking about?