Chen Ajiao is the eldest princess of Dachen Kingdom. She has been favored by thousands of people and has grown up. All she wants is someone she loves sincerely, but the vows of a young man are just yesterday's flowers. She does not understand this person who has been with her for half a life. Until she retires as queen, she looks back in the past from her dream. Listening to his story, she gradually understands him... But the scars between the two cannot be solved overnight. Can they really be reunited after they have misunderstood each other for half a lifetime? How did they get to where they are today, and where do they go now?