Liu Wei is a forensic doctor who traveled to ancient times for various reasons and met the hero of the play. He was originally a small teaser and extortionist, but he did not expect that extortion failed Instead, it was done by the other party.
Set in a fictional Northern Qi dynasty, the Yun family faces a crisis after the birth of twin daughters, as twins are seen as an ill omen. The eldest daughter, Yun Xin, is groomed to be the future crown princess, but family pressure and societal bias make her path difficult. Her twin sister, Yun Qing, is gentle and the sisters share a close bond, though their relationship becomes strained as family expectations grow.