In 2026, the history UP master "Qin Feng" (the protagonist Lin Qin) was live broadcasting history at Station B. He was suddenly hijacked by a sky screen signal, and the live broadcast was simultaneously projected onto the sky of all Chinese dynasties. The First Emperor of Qin, Emperor Wu of the Han Dynasty, Emperor Taizong of the Tang Dynasty, Zhu Yuanzhang... All the emperors, generals and ministers became his "audience".
