Relying on their modern intangible cultural heritage skills, they went from being trained concubines to celebrities in Beijing step by step. While working on their careers and protecting their families, they traced the secret of the jade bracelet and the whereabouts of their eldest sister. In the end, they discovered that their time travel was not an accident, but a "two-way redemption" that spanned a century. The disappearance of their eldest sister was inextricably linked to their modern intangible inheritance.
