WU FAY, son of WU YAT TO, in order to escape his enemies, hid with uncle PING SI at Jade Peak villa for years. PING always asked FAY to practice the art of how to use the blade under the WU family's methods to take vengeance for his father. The art was hard to master because some of the records were missing. At the foot of the mountain, TO FIFTEEN, a man in disguise of FAY pursued by TIN KWAI LUNG, FAN HING TANG and their students, had reached the villa. LUNG and TANG threatened HEI MAN, the host of the villa to hand in TO. When FAY revealed his own identity to avoid the innocence being killed, MIU YAN FUNG appeared and resolved the difficulty for MAN. In the secret alley, PING and FAY overheard the conspiracy between LUNG and MAN who wanted to kill them. In a snow slide, PING and FAY fell into an ice cave where they found the glittering treasury.

FAY discovered a booklet in which TO had written a series of the family hatred over the century. In 1644, LORD CHONG was under siege at JIU GONG SHAN. Three warriors, i.e. MIU, FAN and TIN went to summon reinforcement. Another warrior, WU, stayed to take care of LORD CHONG. However, the situation had changed. WU had to pretend to be a traitor to avoid ill fate. However, without knowing WU's pretense, MIU and FAN killed WU. Afterwards, DAN, son of WU told MIU and FAN the misunderstanding. Both MIU and FAN felt guilty of killing WU. In a subsequent fight for saving LORD CHONG, both MIU and FAN were killed too. The misunderstanding among the three warriors were never revealed to their children and grandchildren. As a result, there were a series of killings in the following generations among the three families……

CHAU who was the cousin and fiancee of MAN had a bet with TO to compete to find a treasure. MAN, on the other hand, made use of CHAU’S intelligence to find out the actual location of the treasure. CHAU was sad for MAN’S hypocrisy. CHAU, following TO for clues, was angry for being teased by TO time after time. Seeing through MAN’S trick, CHAU exchanged the secret of the treasure hidden location for separation with MAN. MAN was attacked. CHAU and TO went together and discovered the treasure. They then found out the killings among the three families over the generations. Admiring TO's personality deeply, CHAU even proposed to marry TO. In turn, TO was enchanted by CHAU.

FAY then, found the booklet left to him by TO in the cave. It described TAN and LUNG, leaded by FUNG, looking for TO to get even with him. FUNG, renowned for his name as "Wordl No. 1 without competition", lured TO for a fight. On his way, TO met SAI and helped him settle his big debt. TO treated SAI like a brother and SAI felt very grateful to TO. On the other hand, FUNG and TO became good friends during fight after knowing more of each other's characters. However, highly influcence by LUNG, FUNF decided to invite TO for a final fight.

After CHAU’S persuasion, TO was tempted to tell FUNG the resentment in details so as to put an end to the fuel. When TO wanted to tell the truth, TAN and LUNG attacked CHAU who was about to give birth to a child. TO hurried to protect her while SAI, who was wounded, went looking for KEI, the doctor to help. FUNG understood TO had just become a father and decided to postpone the duel. CHAU talked TO into writing a letter to explain to FUNG but it was being exchanged. On the day for the duel, CHAU persuaded TO to use a special tactic to attack FUNG’S weak point but was refused by TO. In order to avoid hurting FUNG, TO was wounded by FUNG's weapon which left black scar between TO's eye brows.