明朝成化年间，朝(cháo )纲腐败，奸(jiān )邪当道。西厂东厂为宦官把持，混淆黑白(bái )，陷害(hài )忠(zhōng )良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流(liú )亡剑客(kè )挺身(shēn )而出，接连铲除东厂数名奸佞，致令阉贼胆战(zhàn )心惊(jīng )。适值此时，风(fēng )头正劲的西厂