元朝末年,群(🔨)雄(xióng )纷起,武(🥇)林动荡。江湖(🔼)传闻,得(😘)到屠龙刀倚天(tiān )剑者,可以(yǐ )成(chéng )(🎹)为武林至(zhì )尊,号令天(tiān )下,莫敢(gǎn )(😧)不从。一时(⏬)间风云四起,引发了武林(lín )中(zhōng )对(duì )屠(tú )龙(👑)刀倚(🤷)天(tiān )剑的(🎡)争夺(🕯),几段姻(✳)缘和(hé )孽缘也(🏐)由此(🐖)产生。武当(🎫)派(pài )张翠(cuì )山与天鹰教(🚸)殷(yīn )素素因(yīn )屠龙(lóng )刀相遇(🤷)相恋,最(zuì )后亦因屠(tú )(🚣)龙刀被正派人士所逼迫,双双(shuāng )自尽。他们的(🥔)儿子张无忌长(✋)大成人后,机缘巧合下练成了(⛓)绝世武功“九阳神(shén )功”和“乾坤大(😍)挪(nuó )移”,成(chéng )为(wéi )了明教教主(zhǔ )。张无(wú )忌(jì )与元朝(🗳)郡主赵敏、(💹)峨嵋(🏉)派周芷若、表妹殷(🦇)离和(🈸)婢(➡)女(nǚ )小昭都有着(zhe )千(qiān )丝(sī )万缕的爱(🌼)意。然而,看似柔弱的周芷若,却是个十足(⏲)的(📛)“腹黑女”,她为(wéi )了获(huò )(🥅)取(qǔ )倚(yǐ )天剑屠(tú )龙刀的(🔎)秘密,不(👄)惜(xī )杀害殷(yīn )离,陷(🚡)害赵敏。张无忌(jì )虽看清了周(zhōu )芷若真实面目(🐂),但仍(réng )割(👩)舍不(bú )下(xià )她(❓)。其后(🕺),张无忌化解了武(🏸)林种种(🈺)恩(⏺)怨,辞去教主之位,与赵敏(🚪)寄迹蒙古。