Xiairen accidentally travels back to the Hongwu period of the Ming Dynasty. At the beginning, he angrily criticizes Zhu Yuanzhang and is put on the guillotine to be beheaded. When he is about to be beheaded, he backhand binds his life and joins the system. In order to save his own life, Xiairen relies on the system to simulate and travel back to the late Yuan Dynasty. He appears when Queen Ma is in danger and intervenes in the life of Queen Ma in advance. The two become sworn brothers and sisters, supporting her along the way and forming a deep relationship!