Leng Muzhen traveled to the Xuanyuan Dynasty for no reason, and married the prince Nangong Haochen for no reason. When Leng Muzhen fell in love with Nangong Haochen, she was told that he was just using her. She ran away from the house in anger and founded a gang. When she appeared with a new identity In front of Nangong Haochen, she learned that her old friend was still waiting for her. Leng Muzhen was indifferent. Nangong Haochen embarked on a series of journeys to pursue love. When Leng Muzhen was moved by Nangong Haochen, she returned to the 21st century and finally returned to ancient times to linger with him on the night of the full moon.