故事讲的是三只花栗鼠之间的故事，这三只花栗鼠分别叫做西蒙、喜多和艾尔文。两年前在各种机缘巧合之下，他们帮助了一个很失败的作曲家戴维塞维尔重新振作起来，成为了一个知名优秀谦逊的成功作曲家。而他们之间也成为了很好的朋友，互相提供灵感和实物。两年之后时间如白驹过隙，三只花栗鼠已经很好的适应了人类的社会和戴维的相处也非常愉快。当然花栗鼠们仍然没有改变自己的天性，他们还是很喜欢捉弄戴维。如今戴维已经成为了一名很忙碌的知名作曲家，甚至没有空管管自己侄子的生活，侄子的生活因此变得一团糟，而三只花栗鼠看不下去了，决心要帮一帮作曲家管管他侄子。最后在一系列啼笑皆非的事情之后，他们成功地让自己的侄子回到了正轨

The story tells the story between three chipmunks named Simon, Xido and Alvin. Two years ago, through various coincidences, they helped a very failed composer David Sewell to recover and become a well-known excellent and humble successful composer. And they have also become good friends, providing each other with inspiration and objects. Two years later, time flies, and the three chipmunks have adapted to the human society very well, and getting along with David is also very happy. Of course, the chipmunks still haven't changed their nature, they still like to play tricks on David. Now David has become a very busy well-known composer, and there is no air traffic control to monitor his nephew's life, so his nephew's life has become a mess, but the three chipmunks can't stand it anymore, and are determined to help a group of composers Take care of his nephew. Finally, after a series of ridiculous things, they managed to get their nephew back on track