Lu Xin, an orphan, lives in the "Flying Snow Villa" in the Tianshan Mountains. She practices the "Flying Snow Sword Art" quietly and knows nothing about the outside world. After she turned 16, she was told by her master that her parents were murdered rather than killed in battle! The master ordered her to go down the mountain and go to Beijing to take revenge! Under the plan of her master, she disguised herself as a man and went down to Beijing to seek revenge. However, due to her youth and vigour, she had a fight with Yan Yibing, the number one killer in the world who was known as "one sword to kill", as soon as she came down from the mountain. Yan Yibing discovered her identity as a woman. Yan Yibing lost himself to the beautiful and kind-hearted Lu Xin. He followed and protected her all the way and secretly saved her from fire and water several times, becoming her most loyal flower protector!
Lu Xin was staying at the "Liu Fengpo" inn, but the inn was wiped out by a killer. The owner asked her to leave her alone before she died, and gave her her adopted son Xiao Long, whose life experience was a mystery. She and Xiao Long went to Beijing together and defended Xiao Long who was being chased by the killer several times, putting herself in danger. Fortunately, Yan Yibing, the young leader of the "One Sword" killer organization, and her master came to rescue her and she survived!
In the capital, Lu Xin fell in love at first sight with the demoted prince Li Tianqi, and secretly fell in love with each other. They made a private decision for life. After experiencing numerous setbacks, Li Tianqi regained her identity and was named the prince. Finally, the lovers finally got married!
It turns out that Lu Xin is the young master of Liulic City, a saint of the Witch Clan, and the legal successor of King Gu! After going through many hardships, she finally awakened the Gu King "Tianshan Ice Silkworm" and became the true king. She defeated the princess of the previous dynasty who planned all the conspiracies and machinations, turned the tide, rewritten the fate of the country, and became the empress. Together with the current emperor Li Tianqi, they rule this prosperous world!
