元朝末年,群雄纷(fēn )起,武林动荡。江湖传闻,得到屠龙(🛍)刀(🔱)倚(yǐ )天剑者(zhě )(🍥),可以成为(🆖)武(wǔ )(🥈)林至(🛤)尊,号(hào )令天下,莫敢不(bú )从。一时(shí )间风云四起(🏇),引发了(le )武(🖲)林中对屠龙(lóng )(👑)刀倚天(tiān )剑的争夺,几段姻缘(yuán )和(hé )孽缘(yuán )也由此产生。武(wǔ )当派张翠(cuì )山(🍮)与天鹰教(🚸)殷素素(sù )因屠(tú )龙刀(dāo )相(xiàng )遇相(xiàng )恋,最后(hòu )亦因屠(tú )龙刀(dāo )被正(📯)派人士所逼(🖲)迫(🔢),双双(shuāng )自尽。他们的(de )儿子张无(wú )忌长大成人后,机缘(yuán )(🙄)巧(㊙)合下练成了(⛓)绝世武功“九阳神功”和(🚻)“乾坤大挪移(yí )(👺)”,成(chéng )为(wéi )了明教(🐀)教(🧟)主。张无(wú )忌与(yǔ )(🌮)元朝郡主(🈁)赵敏、峨(é )嵋派周芷若、(💍)表妹(mèi )殷(yīn )离和(hé )婢(bì )女小昭都有着(👪)千丝万(wàn )缕的(💅)爱(🌼)意。然(rán )而,看似柔弱的周芷若,却是个十足(⏲)的“腹黑(💏)女”,她(tā )(👵)为了获(🥅)取倚天剑(jiàn )屠龙刀的(de )秘密(🔙),不惜(🐖)杀害殷(yīn )(🔫)离(💣),陷(xiàn )害赵敏。张无(wú )忌(jì )(🍁)虽看(👛)清了周芷若真实面(🔪)目,但仍割舍不下(🤼)她。其(✖)后(hòu ),张无忌(🚤)化解了武林种种恩怨(🧥),辞(👅)去教主(zhǔ )之位,与赵敏寄迹蒙古。