剧情：《掌上明珠》是属于剧情电影类型，官方公布的演员表主要是艾米·斯马特伯特·雷诺兹阿曼达·米夏卡连姆·麦肯泰尔，官方公布的主要简介说的是A young girl struggles after a traumatic horse riding accident causes her to lose her eyesight. CHARLES, the head trainer of Southeastern Guide Dogs, trains Apple, a miniature horse, to be her companion and surrogate eyes.