Poor boy: Cheng Mo is a poor farmer's boy outside Qingzhou City. He was born weak but obsessed with martial arts. He secretly observes martial arts disciples practicing martial arts every day and secretly imitates them.
A twist of fate: Cheng Mo encountered a heavy rain while collecting medicine and was forced to hide in the abandoned Xuanjian Villa. He accidentally discovered that there was a secret book of "Xuantian Heart Method" and an ancient sword named "Hanying" hidden in the secret room of the Villa.
Mysterious inheritance: Cheng Mo began to practice the Xuantian Heart Technique, and strange changes occurred in his body. At the same time, mysterious black shadows appeared from time to time in the villa, seemingly observing his every move in secret.
Dangerous rivers and lakes: Cheng Mo witnessed a fight between martial arts people in the city and rescued the injured girl Lin Xiaolu. However, he was involved in a dispute between rivers and lakes and was chased by men in black.
Mystery of life experience: When Cheng Mo was seriously injured by the man in black, a mysterious shadow came to the rescue, revealing that Cheng Mo was related to the massacre of the Xuanjian Sect twenty years ago, and that he had secrets hidden in his body that even he did not know.