明朝(cháo )成化年间，朝纲(gāng )腐败，奸邪(xié )当道(dào )。西厂东(dōng )厂为宦官(guān )把持，混淆(xiáo )黑白，陷害忠良(liáng )，朝(cháo )野内外噤若寒蝉。时有赵怀安(ān )（李(lǐ )连杰 饰）等流亡剑客挺(tǐng )身而出，接连铲除东厂数名奸(jiān )佞，致令阉贼胆战心惊。适值此时，风(fēng )头正劲的西厂