More than a thousand years ago, the Murong family of Dayan was hunted down by the rebel army. When Murong Xi fled to the forbidden land, the time tunnel opened. The servant Wang Peng pushed him into the time tunnel to save his master and came to the modern society more than a thousand years later. In order to find a way to restore the country, he accidentally met Tai Xiaomei, the owner of a beverage store. Because he did not understand the etiquette of contemporary people, Murong Xi offended Tai Xiaomei and gave her the family heirloom jade pendant to apologize. Tai Xiaomei saw him wandering on the street and took him in. In order to dissolve the marriage with Zhang Yang, Tai Xiaomei asked Murong Xi to pretend to be her boyfriend and a sweet love began...