Wu You, an archaeology student, transmigrates after buying a jujube-red jewelry box. She arrives at Zhenshuo Pass in the Great Sheng dynasty, where she meets General Xiao Qing, rumored to be a fearsome demon but actually quite shy. Using her limited knowledge of archaeology, she manages to stay at the general’s residence. She brings modern alcohol to save countless soldiers, and she and Xiao Qing gradually fall for each other.
But while doing research, she discovers that Xiao Qing dies in battle at the age of twenty.
