Ye Yunzhou, a young man, witnessed his family being brutally wiped out and managed to escape with his family's remnant sword "Dragon Yin". After hiding incognito for many years, he set foot on the world with a bloody feud and grew from an unknown boy to a master of swordsmanship. In the process of tracing the truth, he encounters a mysterious swordsman, faces the choice between good and evil, and struggles with love and hatred. When the mastermind behind the conspiracy to exterminate the family is finally revealed, what awaits him will be a more cruel truth and choice. A broken sword, a blood feud, and a rivers and lakes epic about the pinnacle of martial arts and human choices begins!
