Windheart, the child of Thorax and Octavia, was abandoned by her mother. After 200,000 years of ruling, Thorax gives his throne to Windheart, her daughter. Only 1 year later, she gets a cutie mark! She becomes the only changeling in the entire universe to get one! When Princess Twilight starts a war between changelings and ponies, Windheart has to save the changlings with her talent with the help of her dad Thorax—Amazing Dark Magic!