Lin Fei is a junior student in the Department of Architecture at a prestigious university in the 21st century. During a trip, he encountered a natural disaster and traveled to the Western Wei Dynasty more than 1,500 years ago. He met Dugu Xin, a young general from the Western Wei Dynasty. Coincidentally, Dugu Xin was Lin Fei's most admired ancient general. Lin Fei deliberately approached Dugu Xin with his admiration for him, and became friends and confidants with him. Then there was an unforgettable love affair with Dugu Xin. Help Duguxin deal with Yuwentai and Gao Huan. Let the entire Dugu family become invincible. But as Dugu Xin's achievements shocked the master, Yuwentai finally faced difficulties for Dugu Xin. From former friends to enemies. But these problems were solved with Lin Fei's help. But in the end, Duguxin still could not escape the fate of history. Lin Fei had long known that Dugu Xin would die at the hands of the powerful minister Yu Wenhu. In the end, Lin Fei used his intelligence and understanding of history to rescue Dugu Xin. He gave up the opportunity to return to the 21st century in order to be with Duguxin. Instead, he chose to live in seclusion with Duguxin and live an ordinary life. But the good times did not last long, and Dugu Xin still could not escape the pursuit of the Yuwen family. In the end, the ending was the same as in history. . . .