In the land of yellow sand, anti-Japanese patriots chased horses and wandered here, and opened an inn to chat for the rest of their lives. The enemy's daughter, Bai Lu, fled here with a treasure chest. New and old grudges, God-given opportunity, could have been eliminated quickly, but faced with the anti-Japanese secrets entrusted in the chest, for the righteousness of the nation, she chased the horse and gave up hatred, endured misunderstandings, and protected her with her life. , Finally fulfilling the unfulfilled dream of serving the country.

In the early years of the Republic of China, nestled in the quiet, dense forests of the Northeast, lies the village of Sandaolingzi. On this day, Kong Zhaosu, who works in the clandestine treasure-hunting trade, accidentally stumbles into this place and discovers that the seemingly peaceful village is filled with strange occurrences. Events such as "the paper sedan chair kidnapping," "the coffin beauty," and "the golden sand of the corpse site" happen one after another. What surprises Kong Zhaosu even more is that this small village hides an astonishing secret...

The Midnight Inn, a place that operates around midnight, serving as both a mortuary and a rest stop, reopens after ten years, drawing in unexpected guests. Each one claims a strange connection to a corpse that's been dead for years, giving rise to a complex weave of enigmas.