After inheriting her ancestral courtyard house, architectural designer Cen Yuan faces repeated boundary violations from relatives who use the property without permission and damage its belongings. She insists on keeping records, establishing clear rules, and clarifying ownership and usage rights through proper legal channels. She enters her courtyard renovation design in a traditional residential architecture competition and wins an award. She subsequently manages the courtyard through standardized rental agreements. Disputes are handled according to the rules, allowing Cen Yuan to protect both her ancestors' legacy and her personal boundaries and orderly way of life.