明朝成化年间，朝纲腐(fǔ )败，奸邪当(dāng )道。西厂东(dōng )厂为宦(huàn )官把持，混淆黑(hēi )白(bái )，陷害忠良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李(lǐ )连杰 饰(shì )）等流(liú )亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉贼胆(dǎn )战心惊(jīng )。适值此时，风头正劲的西厂