Grandmother Maria, Sam and the riding instructor Kaan are trying together to keep Gut Kaltenbach running, which is in financial difficulties. The ambitious Isabell supports her, although she secretly pursues her own goals. The impulsive Ari comes to riding training in Kaltenbach, where she develops a special relationship with Windstorm, the eponymous horse of the film series, and she also makes friends with Mika. Mika and Ari try to save the estate and protect Windstorm from reckless horse trainer Thordur Thorvaldson.

While spending the summer at her grandmother’s farm, a girl discovers a talent for communicating with horses and tries to tame a fierce stallion.

Vivi is exhausted. Actually, she is about to become an attorney and to move in together with her boyfriend Adam, but somehow, she is stuck. She tries to flee back to her Moms couch, only to find that there is no more space for her. Vivi’s father assumes that she needs some rest and sends her to an island…