On the shores of the vast West Lake, in the Biyan Pavilion, the young Marquis Murong Yan inherited the family's glory and secrets. She could have stayed in her boudoir and enjoyed the scenery of the lake and mountains, but due to the mystery of her mother's life experience, she took two maids, Ming Ling and Ji Hua, who were sisters, and transformed herself into the "Moon Prince" to fight in the world.
The winds in the world are rising, fighting competitions in the arena, treasure secrets, and survival in the ice valley. Amidst the flash of swords and shadows along the way, Murong Yan transforms from a delicate girl into a generation of heroine.
(In an imaginary fantasy continent, multiple historical dynasties coexist and coexist. The protagonist Murong Yan acquires peerless martial arts by various chances and coincidences, and helps the fallen princess to restore her country and dominate the world.)