明朝成化年间(jiān )，朝纲腐败，奸邪当道(dào )。西厂东厂(chǎng )为宦官把持，混淆黑白，陷(xiàn )害忠(zhōng )良，朝(cháo )野内外噤若寒(hán )蝉。时有赵怀安（李连杰 饰）等(děng )流亡剑客挺(tǐng )身(shēn )而出(chū )，接(jiē )连铲除(chú )东(dōng )厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂