Cold Night Murder: On a cold night, the famous Nangong family in Qingzhou was wiped out. The only survivor, Nangong Yu, was rescued by a mysterious swordsman. He was burdened with a blood feud and half a jade pendant for clues.
Wandering in the rivers and lakes: Ten years later, Nangong Yu, who used the pseudonym "Bai Ying", became a famous lone swordsman in the world. While chasing the enemy, he rescued a caravan that was attacked by bandits, and met Cheng Qingshuang, an escort who disguised himself as a man, for the first time.
Combining two swords: Nangong Yu and Cheng Qingshuang teamed up to fight against the bandits of Black Cloud Village, showing an amazing tacit understanding. The Nangong family's moves in Cheng Qingshuang's swordsmanship aroused Nangong Yu's strong curiosity and suspicion.
Identity mystery: The half-piece of jade pendant worn by Cheng Qingshuang perfectly matches the residual jade that Nangong Yu carries with him, revealing the shocking secret of the connected fate of the two, and laying the groundwork for the subsequent joint investigation of Nangong's murder case.
The first clues emerge: Nangong Yu discovers that Cheng Qingshuang's swordsmanship actually has a move unique to the Nangong family. He realizes that there is a more complicated conspiracy behind the massacre, and decides to go with this mysterious woman to investigate.
