"Leyouyuan" tells the story of the imperial power falling into the hands of the emperor's grandson Li Yi (played by Xu Kai), who is guarding the border, and is forced to take on the heavy responsibility of suppressing the rebellion. He and Cui Lin (played by Jing Tian), the only daughter of a general who hides her true identity, each lead an army and get involved in the dispute. The two fight openly and secretly among various forces and take risky moves. In several battles, they meet their opponents, kill each other, and fall in love. It is a romantic love story of two strong men going to Leyou together for the sake of the country.