In the middle of the night, the servant, yin, wakes up to find that his brother, cheng, has been attacked by his subordinates. He asks the servant to come with him and explain what has happened. The servant tells him that cheng's cultivation has been crippled because of the punishment he received from the lord, and that the lord is planning to kill him. He tells the servant that he will go find sheng and kill him if he does not save cheng