The ups and downs of the plot, the relationship between characters with changing identities, the twists and turns of love and hate, and the answering of questions and answers layer by layer. The protagonist appears at the beginning, and the whole story revolves around Broken Knife. Who is the real best in the world, Gong Shaoyang or Shangguan Yihan, and who can survive to the end. They both have reasons for each other to live, whether it is love or revenge. Who is the king in the end.
Concept: The love-hate entanglement between two generations