影片围绕着一个女孩展开，她继承了一匹微型马，这匹马和她同父异母妹妹的杰克·拉塞尔·泰勒（Jack Russell Terrier）发展了一段不太可能的友谊，泰勒喜欢骑在马背上。

  The film centers around a girl who inherits a miniature horse that develops an unlikely friendship with her half-sister's Jack Russell Terrier, who takes to riding on the horse's back.