明朝成化年间，朝纲腐败(bài )，奸邪当道。西厂东(dōng )厂为宦官把持，混淆黑白，陷害忠良，朝野(yě )内外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑客挺(tǐng )身而出，接连铲除东(dōng )厂数名奸(jiān )佞，致令阉(yān )贼胆(dǎn )战心惊(jīng )。适值此(cǐ )时，风头(tóu )正(zhèng )劲的西厂(chǎng )