Xiao Wu was caught ashore by a fishing boat planting flowers after falling into the sea.
After restoration, it became a dao and was presented to the royal family of the Southern Song Dynasty.
Later, he was rewarded to the princess and married with the princess.
The princess and her husband-in-law played the harp and harp in harmony, and Xiao Wu then married her husband-in-law's scimitar Xuan Cang.
Hou Xiaowu and Cang Lang first got married and then fell in love, and have been together ever since.
Many years later, Xiaowu suddenly wanted to create a short sword by merging the fragments of his broken sword with those of Canglang.
Purpose: Mutual redemption