明朝成(chéng )化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混淆(xiáo )黑(hēi )白，陷(xiàn )害忠(zhōng )良，朝(cháo )野内外噤若寒(hán )蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑客挺(tǐng )身而(ér )出，接连铲除东厂(chǎng )数名奸佞，致令阉贼胆战心惊。适(shì )值此时，风头正劲的西厂(chǎng )