In 2025, Hua Xizhi, a female doctoral student in the Department of History, discovered a dusty box of "Qin family historical materials" while sorting out the Zigong Salt Industry archives. Among them is a diary preserved by a special salt crystallization method - from Qinxi a hundred years ago. While reading the diary, she was knocked into a coma by exposure to special mineral salts mixed in the diary.
After waking up, Hua Xizhi found that he had become Qin Xi, who was born in 1908, but retained modern memories and historical knowledge. The key is - this is not a simple soul travel, but a memory superposition...
