Mysterious crises occur one after another in the city of Chang'an, with viruses infecting humans like zombies, strange and gloomy underground caves, and treasures that have been rumored to reach the sky for thousands of years... The Taiping people headed by Ma Long protect Chang'an, going back and forth with various forces, and are in unknown situations again and again. In the bizarre adventure, more mysteries are waiting to be solved...

长安城里神秘危局接连发生,病毒感染人类犹如丧尸、诡谲阴森的地下洞穴、传说千年的冲天宝藏……以马龙为首的太平人为守护长安，与各方势力你来我往，在一次次充满未知的离奇探险中，更多谜题也等待被解开……