Wu Die and the young man supported each other in the war-torn world. The young man used his back to block arrows to protect her. She thought the young man was dead. In the next ten years, Wu Die struggled to survive in his destiny, and accidentally entered the enemy's palace. When she took off the phoenix crown in the main hall, she reunited with the emperor on the dragon throne. The emperor was the young man back then. However, the enemy forces once destroyed their relationship, and now the young man hides the secret of his immortality and proclaimed emperor. Due to the identity gap and years of misunderstanding, the two face a dilemma between emotion and reality. In the hostile palace environment, Wu Die has to face the entanglements of past relationships while also dealing with unknown dangers. Even if they meet again, they may miss each other due to various obstacles and taste bitterness.
