A conspiracy ten years ago wiped out the entire Shen family of the sword-making family. The only orphan, Shen Yan, fled to the border with a broken sword. She doesn't know martial arts, but she can identify the veins of weapons by touch with her fingertips. She hides doubts about the past in the blacksmith shop - what is hidden in the broken sword that her father thrust into her before his death?
Xie Yunshu, an abandoned disciple of the Qingyun Sect, unexpectedly breaks into her life. He carried a wooden sword and wrote an epitaph, but he always offered her protection when she was being hunted. It turns out that the Shen family was falsely accused of collaborating with the enemy, and behind it was a trap set up by senior masters to monopolize martial arts resources. The "Chunshan Sword Manual" that was said to be able to "renew martial arts" was actually closely related to Shen Yan's broken sword.
The broken swords were put back together in the dark night, and dense patterns gradually appeared as the broken swords were reunited. The two traveled together across the rivers and lakes, looking for the truth from the fragments of the broken sword, and defeated powerful enemies with the clumsy method of "using weapons to make up for their strength." When the conspiracy was uncovered and martial arts came to an end, they did not choose to revive their family or return to the sect. They only engraved the sword manual on the stone tablet - so that every ordinary person holding an ordinary weapon could have a place to live in the martial arts world.
Purpose: To break the situation for the little people and to rectify the truth and justice