The prelude to "Ten Strings of Jinse". The story of Shangguan Yufeng and Dielian.
Shangguan Yufeng gritted his teeth and promised his master that this time he went down the mountain only to experience calamity, and he would not help others if he did not help others. Who would have thought that before his calamity was repaired, he would be hit by a butterfly again, causing calamity after calamity.