After Luo Yuan knew that he couldn't be with Yue Yurong, he had no choice but to find a girl and start a family. Soon after, Luo Yuan became a hero of fame and fortune, and everyone called him "the first sword in the world". He also felt that his swordsmanship had reached the pinnacle, and no one could beat him in swordsmanship. He went well, the only regret was that he only had one daughter, and no son of his own to inherit his business. It's not that he doesn't want to have children, it's not that he doesn't want children, it's that Yue Yurong's letter hurt him.

Although Yue Yurong couldn't leave the Yue family again, it didn't mean that she didn't know about Luo Yuan. When Luo Yuan got married, Yue Yurong sent a letter and some gifts. In this letter, Yue Yurong asked Luo Yuan to promise her one thing, that is, she can only be good to one woman forever, and this woman is the wife who takes advantage of her. Yue Yurong has no chance to be Luo Yuan's wife, but he still hopes that Luo Yuan will end up with his wife. Under no circumstances was Luo Yuan allowed to betray his wife. When giving birth to a daughter, Luo Yuan's wife suffered a difficult birth, although the matter passed, the wife could not get pregnant again, which directly led to Luo Yuan's wife not having any more children. According to Luo Yuan's promise to Yue Yurong, it is impossible for Luo Yuan to have other children.

Luo Yuan took his wife and children to the mountains and rivers, and at the same time tried to find a way to learn martial arts with others. In the past ten years, Luo Yuan has hardly encountered any opponents, which also makes Luo Yuan have a proud mentality. One day, the family came to the North Wudang Mountain, and they met a Taoist priest dressed like a beggar. This Taoist priest is not only sloppy, but also speaks crazy. Luo Yuan didn't want to pay attention to this Taoist priest, but he was stopped by the Taoist priest's words. "Look at the mountains not mountains, and look at the water not water. Whether it's mountains or water, I know best. "This is the realm of Luo Yuan now, can this Taoist priest's last words be able to see Luo Yuan's realm?

Luo Yuan held a skeptical attitude and talked with this Taoist priest. Later, I learned that this Taoist priest was the famous "crazy Taoist" Zhang Sanfeng on the rivers and lakes. It is said that Zhang Sanfeng was born in Shaolin, but he was not an official disciple of Shaolin Temple. He and his master were nothing more than miscellaneous monks in the Shaolin Temple. Unexpectedly, his master learned from the past and the present, and became a peerless master after self-education, and casually taught his apprentice Zhang Sanfeng a few hands. At that time, Zhang Sanfeng's name was still Zhang Junbao, but he was just a thirteen or fourteen-year-old half-grown child. Once an outsider came to Shaolin Temple to make trouble, Zhang Junbao defeated the outsider on a whim. The people of Shaolin Temple not only did not reward Zhang Junbao, but forced Zhang Junbao to ask who taught Zhang Junbao's kung fu. When they learned that Zhang Junbao's master and apprentice knew a strange kung fu, they pursued them with all their might. In the end, Zhang Junbao escaped from Songshan under the desperate cover of his master. It's just that his master died because of the excessive consumption of internal strength and the fact that he would not heal himself. Zhang Junbao wandered to Wudang Mountain alone, with only a copy of the Taoist "Tao Te Ching" around him, and since then Zhang Junbao has lived alone in the mountain. Based on his understanding of the Tao Te Ching, coupled with the teachings of his master, Zhang Junbao finally comprehended his own martial arts and established his own sect.

After learning the identity of the other party, Luo Yuan became interested in fighting Zhang Sanfeng. Although Zhang Sanfeng avoided it repeatedly, Luo Yuan still asked for a showdown with Zhang Sanfeng. Although Zhang Sanfeng is not a master of swordsmanship, he is also one of the best masters in the rivers and lakes, so Luo Yuan does not restrict Zhang Sanfeng from using any weapons, and Luo Yuan uses an ordinary sword to fight against Zhang Sanfeng. Zhang Sanfeng was forced by Luo Yuan to be anxious, so he had to agree to have a competition with Luo Yuan.

The result surprised everyone, Zhang Sanfeng defeated Luo Yuan three times in a row. In the last game, Zhang Sanfeng was forced to use an ordinary sword and compare swordsmanship with Luo Yuan, who was holding a sword. But the result was that Luo Yuan lost to Zhang Sanfeng, Zhang Sanfeng's swordsmanship looked extremely slow, but Luo Yuan couldn't escape Zhang Sanfeng's swordsmanship no matter what tricks he used. Luo Yuan finally understood one thing, "learning the sea is endless", and the same is true in martial arts. Zhang Sanfeng has broken through the limitations of martial arts and has become a super-first-class grandmaster, even if Yue Nianlang or Zhou Tong reincarnated back then, it is impossible to defeat Zhang Sanfeng.

The disheartened Luo Yuan had the idea of seclusion, and he was unwilling to fight and kill on the rivers and lakes anymore. For this reason, he decided to take his wife and daughter to live in the valley where Yue Nianlang lived, and lived a peaceful and stable life while guarding Yue Nianlang's tomb.

Since the retirement of Luo Yuan, a generation of heroes, everyone has worked hard for the title of "the first sword in the world". There are even some teenagers who are missing and killed in order to find the reclusive Luo Yuan. A few years later, a young couple appeared and caught everyone's attention again. The women are handsome, the men are handsome, and the most attractive thing is that the man carries a sword on his back. This sword is the "No. 1 sword in the world" used by Luo Yuan's heroes when he became famous. The reason why Luo Yuan was able to get the reputation of "the first sword in the world" at the beginning, in addition to his superb swordsmanship, was the credit of this peerless sword. This man has this peerless sword, which means that he is the descendant of Luo Yuan, that is, the new generation of "the first sword in the world".

At this time, it was the time when the Han people revolted against the Yuan soldiers, and the most famous ones at that time were Guo Zixing of the Red Turban Army, Chen Youliang of Jiangnan, and Zhang Shicheng. The Red Turban Army is an army composed of poor people, who want money but no money, and no food for food, so everyone is not optimistic about the Red Turban Army and Guo Zixing. Chen Youliang is more insidious, and Chen Youliang is famous for being stingy, so everyone is not optimistic about him. Haoqiang Zhang Shicheng is not only bold, but also has a rich life, plus he has money and land, so some people voluntarily join his team.

After Zhang Shicheng learned that a new "No. 1 sword in the world" couple appeared on the rivers and lakes, he personally invited them to join the gang. In this way, the couple became Zhang Shicheng's favorite generals, the woman is Luo Yuan's daughter Luo Xiaocui, and the man is Luo Yuan's apprentice and son-in-law Ma Kai. Ma Kai was originally a child of a rich family, and he admired heroes and heroes since he was a child, and after learning that Luo Yuan's heroes had returned to the mountains and forests, he looked everywhere for his whereabouts. The hard work paid off, and Ma Kai finally found Luo Yuan, who was living in seclusion in the valley. He knelt in front of Luo Yuan's house for seven days and seven nights, and finally touched Luo Yuan's heart. However, Luo Yuan did not accept the apprentice immediately, but asked Ma Kai to promise him three things. First, Ma Kai must obey Luo Yuan's words for the rest of his life, and he is not allowed to do anything that is sorry for Luo Yuan. Second, Ma Kai needs to keep the secret of the "Shuangyuan Sword" and not easily teach others kung fu. Third, Luo Yuan asked Ma Kai to join the Luo family and become his son-in-law. The children born in the future, whether male or female, will have the surname Luo, and they will all be the descendants of the Luo family. In order to learn peerless kung fu, Ma Kai agreed to all the conditions. It took Luo Yuan just three years to create a first-class master Ma Kai. Luo Yuan told his son-in-law Ma Kai that although Ma Kai's kung fu is already good, he must not be proud, there are many peerless masters in the world, even Luo Yuan is impossible to defeat, and Ma Kai must be careful.

Ma Kai stayed by Zhang Shicheng's side and became Zhang Shicheng's chief of guard, and Luo Xiaocui became Zhang Shicheng's wife's personal bodyguard. The two not only lived next to Zhang Shicheng, but also began to relearn the "Shuangyuan Sword". Luo Yuan reminded them again and again that although their swordsmanship had been completed quickly, they still had to learn it from scratch if they had the opportunity, otherwise their swordsmanship would be limited and their progress would be affected in the future. Ma Kai's goal is to be the best swordsman in the world, and of course he does not allow himself to be subject to any restrictions, so he decides to relearn the "Double Edge Sword" as soon as possible. Luo Xiaocui's strangeness at this time made Luo Xiaocui change her plan, it turned out that Luo Xiaocui was pregnant. For the sake of the child in her belly, Luo Xiaocui had to let her husband Ma Kai practice the "Shuangyuan Sword" again alone. Luo Xiaocui will wait until the child is born in the future and will be weaned before she can continue this work.

At this time, Zhang Shicheng's army began to show signs of defeat, and Ma Kai began to hesitate to leave Zhang Shicheng. Ma Kai asked Luo Xiaocui this question in private, firstly, Luo Xiaocui felt that Zhang Shicheng and his wife were good to him, and secondly, because of the child in his belly, Luo Xiaocui did not approve of leaving Zhang Shicheng at this time. Unexpectedly, Luo Xiaocui's insistence not only did not get her husband Ma Kai's understanding, but also made Ma Kai begin to dislike Luo Xiaocui.

At this time, a hostile force broke through the periphery and approached Zhang Shicheng, and Zhang Shicheng had no choice but to leave his territory with his family. In a valley they collided with hostile forces, and had to fight a hard-fought battle. Ma Kai was facing more than ten times more enemies than himself, and he began to panic a little. At this time, a box beside Zhang Shicheng attracted Ma Kai's attention, and Ma Kai knew that it was part of Zhang Shicheng's jewelry, and with this thing, Ma Kai was a rich man and didn't need to work hard for Zhang Shicheng anymore. Ma Kai pretended to be invincible and slowly approached the man holding the box, and then one suddenly turned around, hacked the man to death, and snatched the box.

This scene happened to be seen by Ma Kai's wife Luo Xiaocui, and Luo Xiaocui, who was holding her father's sword in her hand, felt for the first time that she really didn't know her husband Ma Kai. At this time, Ma Kai suddenly approached Luo Xiaocui, and Luo Xiaocui thought that Ma Kai had come over to explain himself. Unexpectedly, Ma Kai grabbed Luo Xiaocui's hand holding the sword and said "I'm sorry" to Luo Xiaocui inexplicably. Luo Xiaocui didn't have time to react, but found that the sword in her hand was snatched away by her husband, and she was pushed down the mountain by her husband. At this time, Luo Xiaocui never expected that her husband not only gave up his wife, but also didn't even want his own flesh and blood, and ruthlessly pushed her wife down the mountain. Ma Kai seemed to see his wife Luo Xiaocui's disappointed and desperate eyes, but Ma Kai did not regret it at all.