adapted from jin yong's martial arts novel "the legend of the condor heroes" aaa。 the five heroes of the wudang sect, zhang cuishan (played by liu songren), and yin susu (played by mi xue), the daughter of the leader of the tianying sect, met and fell in love because of the struggle for the dragon slaying sword. their union was opposed by righteous people in the martial arts world. in order to get the whereabouts of zhang cuishan's righteous brother, xie xun (played by luo yingjun) and the dragon slaying sword, the wulin sects forced zhang cuishan to death. yin susu also committed suicide and left his son zhang wuji to entrust to wudang. zhang wuji (played by wu qihua) who grew up and practiced the long-lost nine yang divine art by chance. he met zhou zhiruo (played by charmaine sheh), a junior sister of the emei sect, and the two gradually fell in love. with his talent and luck, zhang wuji became the leader of the ming cult again, leading the church to fight against the yuan dynasty. he also had an understanding maid named xiao zhao (played by jiang xiwen), but he didn't know that xiao zhao's identity was hidden. at the same time, he met zhao min (played by li zi), the princess of the yuan dynasty. the hesitant zhang wuji was swaying between zhou zhiruo and zhao min. zhou zhiruo, who was taught by master mie jue (played by hui yinghong), changed her temperament after learning the secret of the yitian sword. how should zhang wuji choose? the whole play not only depicts the triangular relationship between zhang wuji, zhou zhiruo and zhao min, but also intersperses with yang xiao (played by zhang zhaohui) and ji xiaofu (played by teng liming), and yang buhui and yin liting (played by mo jiayao), which became the touching love between TVB another martial arts classic.