Miao Qiao is the descendant of a hidden poisonous doctor. He accidentally exchanged souls with Yan Zhao, the legitimate son of a businessman from the Republic of China, and was trapped in two completely unfamiliar identities in the inner courtyard of a deep house and as a shop owner. Through each other's perspective, the two work together to solve the family trap, business war traps and old mysteries. As they get along day and night, their love gradually grows. They are a perfect match and finally protect the family's legacy and uncover all the conspirators hiding in the dark.
