It begins with the modern male Tang Tangtang accidentally traveling to the "Great Jin Dynasty" and tells the story of his two-sided life after replacing the playboy of the same name. In order to resolve the family crisis, he openly maintained his prodigal image and secretly used modern business thinking to accumulate wealth through silk speculation. He showed wisdom in solving the diplomatic crisis of the military, rescuing the eldest princess, and eliminating the evil prince, and gradually won the trust of the Jin Emperor. The protagonist completes the transformation from a playboy to a powerful person behind the scenes.
