Adapted from the novel "Me, Interstellar Female Emperor, Flash Marriage Fallen Top Traffic Star", it tells the story of Su Xingchen, the interstellar female emperor who descends to Earth to complete a "primitive emotional experience" mission, enters a contract flash marriage with the fallen top traffic star Gu Yechen, secretly helps him through crisis after crisis, creates top-tier music, and gradually exposes her identity until they finally trust each other.