Ninggu Pagoda, where the beautiful Mudan River flows, is the hometown of Bai Jiatong, a girl with a red flag. She lives carefree with her relatives and friends. However, fate played tricks on Hua'er. She lost her mother and home overnight, and in the blink of an eye she entered the palace and suffered endless unimaginable setbacks and hardships. But she always treats fate and life with kindness. In the process of family, friendship, and love, she gradually transforms from an innocent girl into a woman who insists on herself, is tough and courageous. Childhood sweethearts turn into encroaching enemies, whether the love within reach is real or fake, the scheming plot of the women in the palace, how Hua'er goes through it all, let us experience it with Hua'er.