By chance, he meets Zheng Ji, a marriage envoy who travels to the modern era. It turns out that Zheng Ji is Du Yuhou from more than 1,000 years ago. He was ordered to take the princess of the Central Plains back to Chang An. He mistakenly recognized the anchor Yuan Jia as a special envoy and was determined to help complete the task of taking the "princess" home.
(Source: Chinese = 腾讯新闻 || Translation = MyDramaList)