讲述了要参加公主选拔的灰姑娘女孩小贝却把自己精心准备的鞋子落在了车上，正在懊恼不已，然而祸不单行，一辆飞驰的车辆把他的裙子也给弄脏了，狼狈不堪，气的小贝当场发飙，扶起战车脚踩踏板的追了上去，而车上坐着就是男主项天琪，他带着未婚妻酒店总监沐之晴赶往酒店参见公主选拔,穿着脏群子的小贝来到了选拔现场，被保安拦着，并嘲笑是来参加婢女选拔的，不让进，一顿拉扯下，小贝被甩出，被男二季如风著名影星一个公主抱解救了下来，小贝看到英俊潇洒的季如风激动不已，满眼都是小星星，恰巧被沐之晴看到，并冷嘲季如风眼光不好，激怒至于，决定帮助小贝变身，参加比赛的小贝是为了给家里的学校的小学生，用赢得比赛奖金购买一架钢琴。完成孩子的音乐梦

It tells about the Cinderella girl Xiaobei who is going to participate in the selection of the princess, but she leaves her carefully prepared shoes on the car and is annoyed, but misfortunes never come singly , a speeding vehicle also stained his skirt, and he was so embarrassed that the angry Xiao Bei went into a rage on the spot, picked up the chariot and chased after him with his feet on the pedals, and the male protagonist Xiang Tianqi was sitting in the car, He took his fiancée, Mu Zhiqing, the hotel director, to the hotel to attend the selection of the princess. Xiao Bei, dressed in dirty clothes, came to the selection site, but was stopped by the security guards, who laughed at him as coming to participate in the selection of maidservants. , Xiao Bei was thrown out, and was rescued by a princess hugged by the second actor Ji Rufeng, a famous movie star. Xiao Bei was very excited when he saw the handsome Ji Rufeng, his eyes were full of little stars. Laughing at Ji Rufeng's bad eyesight and being irritated, he decided to help Xiao Bei transform. Xiao Bei participated in the competition to buy a piano for the primary school students at his home school with the prize money won from the competition. Complete your child's music dream