In the first year of Zhenguan, the clan members of the human race, led by Tianxuan, promoted the art of alchemy, and held two realms with the aliens, opposing each other. A few years ago, in Luoling City, there was a street called Chang'an Fantasy Street. Because of the foreign earthquake, the two realms were accidentally connected, in order to prevent Chang'an and even the entire Luoling City from becoming a battlefield between the two realms. The aliens living here, while doing business in the two realms at the same time, carefully maintained the secret of connecting the two realms here. Gu Shaoning, a young man from the human race, came to Chang'an Fantasy Street by mistake and got to know the aliens living on this street. At the same time, the boy's originally ordinary fate has undergone earth-shaking changes because of the discovery of the secret of Chang'an Fantasy Street. Once the wheel of fortune is turned on, it can only push the boy to continue to grow and move forward, but because of this, he is involved step by step in the vortex of the battle between the sect and the aliens...