Lu Feng, the Dragon Commander of the Northern Border, retires to Yuncheng and disguises himself as a food delivery rider. By chance, he saves Lin Aoxue, the CEO of the Lin Group, from being forced into marriage. The two sign a contract and marry in a whirlwind wedding. Lu Feng protects her as her driver and bodyguard, repeatedly defeating the forces of Huo Sijue, Fu Jiuxiao, Pei Jingxing, and others. Lin Aoxue gradually discovers that her husband has an extraordinary identity, while his sworn enemy, Xiao Hansheng, kidnaps her to force Lu Feng to reveal himself. Lu Feng leads the Northern Border Dragon Guards to rescue his wife, and his true identity is finally exposed. In the end, they tear up the contract and stay together out of genuine love.