快递员熊旦来自小山村，从很小的时候就学习武术，有着和大城市格格不入的见义勇为的侠肝义胆精神。有一次熊旦帮助同行去送快递，救了昏迷在家的收件人，但是却被收件人的家人认为是他害了收件人，这个家人就是他的孙女杨一一。两人矛盾慢慢变深了，变成了一对见面就会吵架的欢喜冤家，而外孙女也为了应付老妈的相亲，哄了熊旦，让他当自己的假男友。熊旦虽然老实巴交，但是他却有着很原始且质朴的英雄气概也有和现代都市人不同的质朴的浪漫，所以杨一一对他越来越心动了，熊旦也慢慢对这个咄咄逼人的小姑娘有了很大的好感，互相爱上了对方。天遂人意，他们经过了一波波折终于明确了对方的心意，最后有情人终身眷属

The courier Xiong Dan comes from a small mountain village. He has learned martial arts since he was very young. Once Xiong Dan helped a colleague to deliver a courier and rescued the recipient who was unconscious at home, but the recipient's family believed that he had harmed the recipient. This family member was his granddaughter Yang Yiyi. The conflict between the two gradually deepened, and they became a pair of happy friends who would quarrel when they met. In order to cope with the mother's blind date, the granddaughter coaxed Xiong Dan into making him her fake boyfriend. Although Xiong Dan is honest and friendly, he has a very primitive and simple heroism and a simple romance that is different from modern urbanites, so Yang Yi is more and more attracted to him, and Xiong Dan is also gradually attracted to this aggressive little girl. With a great affection, fell in love with each other. The sky is what one wants, and they finally understand each other's intentions after going through twists and turns, and finally they have lovers for life