The most famous gold-selling cave in Chang'an, Huajian Dance House, welcomed its young master, A Li. A Li secretly came to Beijing from the desert and met the "Shadow Master" at an inn. The origin of their love was unknown. From then on, A Li embarked on a path of no return. The leader of Huajian Dance House was assassinated, and A Li was pushed to the forefront. Under the cover of peace and prosperity in Chang'an, undercurrents surged. Where will this relationship go?