In Empress Wu’s reign, there are several bizarre deaths in the capital city of Chang’an. The rumors of the Martyrs Shrine’s “Flying Goddess Mural” murder case are getting worse. Di Renjie is ordered to investigate the case. He cracks the mystery of the mural based on the characteristics of the Flower Sermon, which leads to the murderer, Li Luoyu. Soon after, Li Luoyu commits suicide. After multiple investigations, Di finally finds out the true murderer.

Tianya and his sister are ordered by General Feng Peichuan to embark on a treasure hunt to find the Golden Moon Gem to cure the plague in Heishui Town, but General Feng Peichuan has other motives for finding this treasure.

Flying Swords of Dragon Gate picks up three years after the infamous Dragon Inn was burnt down in the desert when its innkeeper Jade vanished. A new gang of marauders had taken over – innkeepers by day and treasure hunters by night. The inn is the rumoured location of a lost city buried under the desert, and its hidden treasure would only be revealed by a gigantic storm every 60 years. The gang used the inn as a front to locate the lost treasure.