明朝成(chéng )化年间，朝(cháo )纲腐败，奸(jiān )邪当道。西(xī )厂(chǎng )东厂为宦官把持，混淆黑白，陷害忠(zhōng )良，朝(cháo )野内(nèi )外噤若(ruò )寒蝉。时有赵怀安（李(lǐ )连杰 饰）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值(zhí )此时，风头正(zhèng )劲(jìn )的西厂(chǎng )