Xiao Yanzi, who lives in the capital, has a cheerful and lively personality and acts carelessly. Ziwei from the Daming Lake is gentle and dignified, with a delicate mind. The two met unexpectedly and have been together since then, experiencing many interesting things and hardships along the way. They treat each other sincerely, take care of each other, travel around the world together, experience the joys and sorrows of the world together, and create a sincere and lively sisterhood.
The two girls fell in love with each other as sisters and experienced laughter and hardships together in the palace. There are close friends around, and there are also intrigues and disputes.
They value love and justice, dare to love and hate, and use their most sincere temperament to live the most touching life in the Forbidden City.