In the year 6823 of the New Calendar, spring. Lu Xuan, an unregistered resident of the lower city, hides outside his high school classroom and steals a cultivation technique, stepping onto the path of cultivation. On the same day, he returns home and has a dream, as usual. In his dream, he is in the storeroom of the Spring and Autumn period, and the current keeper of the storeroom is called Li Er. Later, Lu Xuan dreams that he becomes the successor of the storeroom keeper, becoming Confucius's second teacher, Zhang Daoling's senior brother, and the First Emperor's adoptive father... Later, someone digs up a bamboo slip from the ground, which records an event. [The eighteenth keeper of the storeroom, Lu Xuan, with sword energy like a waterfall, stabbed Duke Huan of Qi in his sleeping quarters] The bamboo slip says so, and more than that. The ancestors are playing games, the time layers are broken, the rites collapse and music is ruined, and heaven and earth are no longer clear! He is in the Spring and Autumn period, he is in the Qin Dynasty, he is opening...