In the prosperous Yuan Dynasty, undercurrents surged beneath the prosperity. Su Waner, an unpopular concubine in Prime Minister Su's house, was bullied in the house. A chance encounter with the third prince Mo Chenxuan changed his destiny. After being framed by her eldest sister and exiled in the Jianghu, she was helped by Murong Jue, the leader of the Jianghu, and grew up through experience. She was drafted into the palace and became a concubine, but got caught up in palace disputes. Faced with the frame-up of her sister Su Yaoyue and the conspiracies of various forces, Su Waner fought side by side with Mo Chenxuan with her tenacity and wisdom. After the test of life and death, the truth came to light. Mo Chenxuan ascended the throne as the emperor, and Su Waner became the empress of the world. Together, they created a prosperous age and wrote a legend of the counterattack of a world-famous concubine.