Modern girl Zhong Zhen accidentally travels back to ancient times and arrives at a poor farming family, where she discovers that she can exchange modern items through a mysterious marketplace. To help her family escape their predicament, she explores the marketplace's rules while searching for ways to make money and dealing with rural harassment and one unexpected incident after another. After meeting Xu Yujing, a fallen young nobleman with secrets of his own, the two go from constant misunderstandings to supporting each other. Amid the humor and crises of their ancient life, they gradually seek opportunities to turn their fortunes around.