On the Lantern Festival night of the eleventh year of the Tianbao reign of the Tang Dynasty, the wandering young man Han Chengye encountered a mysterious noblewoman in the prosperous city of Chang'an Three years later, the An-Shi Rebellion broke out Where would fate throw these two unlikely couples? Players will experience a series of events in the lives of multiple protagonists and be thrust into the most brutal defense of a city in ancient Chinese history