明朝成化年(nián )间，朝(cháo )纲腐败，奸邪当(dāng )道。西厂东厂为宦官把持，混(hún )淆黑白，陷(xiàn )害忠良，朝野内外噤若寒(hán )蝉。时有(yǒu )赵怀安（李(lǐ )连杰 饰）等流亡剑客挺身而出，接连铲(chǎn )除(chú )东厂数名奸(jiān )佞，致令阉贼胆(dǎn )战心惊。适值此时，风头正劲的西厂(chǎng )