The Tang Dynasty's Sky Screen Opens: Sizhi's Mukbang Makes Er Feng Lose His Cool

Early on: A cheerful slice-of-life story about Xiao Sizi, with healing and recuperation.

Midway through: Trading goods between the two worlds for a little profit.

Later on: Helping Er Feng develop the industrial infrastructure of the Tang Dynasty.

In the end: Cracking down on Japanese pirates and helping Er Feng fight off foreign enemies, until all nations come to pay homage.