明朝(cháo )成化年(nián )间，朝纲腐败，奸邪当道(dào )。西厂东(dōng )厂(chǎng )为宦官把持，混淆黑白，陷害忠(zhōng )良，朝野内外噤(jìn )若寒蝉(chán )。时有赵怀安（李(lǐ )连杰 饰）等流亡剑客(kè )挺身而出，接连铲除东厂数名奸佞(nìng )，致令阉贼胆战(zhàn )心惊。适值此时，风(fēng )头正劲的西厂(chǎng )