讲述一个时尚杂志社的女总编生活繁忙，有一天接到电话通知自己的父母车祸双双去世，早年丧父的她感到不可思议，最后才发现原来父亲还留下了一对子女，也就是她的弟弟妹妹。如果自己不接受这对从天而降的弟弟妹妹，他们就得送到社会福利局，这个可能会改变一生的决定，她会如何选择呢？

無論颶風與米卡相隔多遠，他們的心永遠緊緊相連。這回，有位特別的女孩走進他們的生命，展開新的冒險。米卡的朋友芬妮在社工實習時，遇到了不受控制的亞希。為了幫助亞希並避免她被囚禁在兒童之家，芬妮帶她前往凱登巴赫，進行特別的「馬術治療」。康先生發現亞希易衝動的個性裡，隱藏著蒙古古老傳說中的戰士特質，既勇敢又充滿力量。亞希一見到颶風就被牠吸引，而她似乎也對牠產生特別的影響。颶風和米卡能否找到新的靈魂知己呢？

Ostwind and Mika have found a real home at the farm Kaltenbach with Mika's grandmother. In the hustle of running therapy center and due to Mika's fame as a horse-whisperer, she feels that she doesn't have enough freedom and time to ride. After a serious disagreement with her grandmother, Mika secretly sets off for the night in eastern Andalusia, Spain, where she suspects Ostwind's roots are.

Due to the sudden outbreak of a hurricane, a traveling circus, famous for its stunning numbers with horses, calls into the small German estate of Kaltenbach. Soon, Ari realizes that one of the horses of this circus, named Orcan, is in mortal danger. Together with the boy Carlo and their faithful friend, the horse Ostwind, they try to save Orkan from the cruel owner of a traveling circus. However, the shrewd director unravels their audacious plan. And Ostwind's horse is also in trouble. Ari and Carlo have very little time to rectify the situation and save Ostwind.

Summer vacation. Mika is overjoyed to see Windstorm again. But then she discovers strange wounds on the belly of Windstorm, for which no one has an explanation. Yet this is Kaltenbach verge of bankruptcy! With a heavy heart Mika decides to participate in a variety tournament in which beckons a high prize money. But during training affects Windstorm distracted, often he runs away easily. Mika pursued the black stallion until deep into the forest and is quite surprised: From the thicket a seemingly magical gray mare appears and the two horses dance around lovingly. Suddenly, a strange boy named Milan appears, who says the mare had escaped him. He claimed that he could Help Mika to win the tournament. But is there still time to save Kaltenbach?

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.