李寻欢（焦恩俊）饰演，江湖传闻小李飞刀例无虚发，无论是在多强势的高手面前，只要他出手飞刀就没有落空的时候，且长得风流倜傥，才华出众，科考高中探花，如此英武人物哪个姑娘不喜欢，可李寻欢有自己喜欢的女人，女人是天下第一美女的林诗音。两人从小一起长大，是定的娃娃亲，原本天作之合，可没想到李寻欢结拜了一个大哥名叫龙啸云。龙啸云爱慕林诗音，李寻欢为了成全大哥，竟然远走江湖，多年后回来，林诗音也已经有了龙啸云的孩子，被娇惯得年少就凶狠无比，被初次见面的李寻欢给教训了一顿。林诗音对李寻欢旧情难忘，两人之间纠葛难分，虽然没有越雷池一步，可内心情感无法束缚，龙啸云其实也是表面假仁假义的伪君子，最终导致了龙小云父母双亡，为了替父母报仇记恨上了李寻欢

Played by Li Xunhuan (Jiao Enjun), there are rumors in the rivers and lakes that Xiao Li's flying swords never fail, no matter how powerful it is in front of a master, as long as he throws the flying knife There is no time to fail, and she is suave and suave, talented, a high school student in the scientific examination, which girl doesn't like such a heroic figure, but Li Xunhuan has a woman he likes, and the woman is Lin Shiyin, the most beautiful woman in the world. The two grew up together and were destined baby relatives. They were originally a match made in heaven, but they never expected that Li Xunhuan would marry an elder brother named Long Xiaoyun. Long Xiaoyun fell in love with Lin Shiyin, and Li Xunhuan actually left the rivers and lakes in order to fulfill his elder brother. When he came back many years later, Lin Shiyin already had Long Xiaoyun's child, who was spoiled so young that he was extremely fierce, and was taught a lesson by Li Xunhuan when they met for the first time. Lin Shiyin's old love for Li Xunhuan is unforgettable, and the entanglement between the two is inseparable. Although they have not crossed the threshold, their inner emotions cannot be restrained. I have a grudge against Li Xunhuan