炼(liàn )(🈯)锋(fēng )号(🍅)铸刀(dāo )厂大弟(dì )(⛲)子定(🐽)安(赵(zhào )文(🏽)卓(🐌)饰)被师父选(xuǎn )为(🕟)继承人(rén ),后(🤢)来他(tā )知晓(xiǎo )(🔧)了父亲(qīn )乃惨(cǎn )死于(yú )马贼恶(è )汉(hàn )飞龙(熊欣欣饰)刀下,大殿供奉的(📼)断(😎)刀正(🖲)是亡父的遗物(wù )。定安(ān )带断刀(🕯)出走,师父(fù )女儿向(🚉)灵((🚥)桑(🐖)妮饰)为爱(🎫)而追寻,却(què )被(🙁)马贼所掳,定安舍身相救(🤷)时(shí )竟不幸右(🌙)手(📎)被斩(🚣)堕下山崖(yá )。 断手后(hòu )定安(ān )自思(🌑)报仇无(㊗)望,本(💻)想就此退隐(yǐn )江(jiāng )湖,不料又(🌞)拾得(dé )半本绝世刀(⛓)谱,于(🈴)是决心秘密练(liàn )刀(dāo )为父报仇。可(💠)又因刀谱残缺无法练成(🚴),最后定安(ān )苦思之后自创独臂断刀刀法,他(💍)能否救得(dé )了危难中的(de )炼锋号(hào )并手刃(rèn )杀父仇人飞龙?