明朝成化年间，朝纲腐(fǔ )败，奸邪当道(dào )。西厂(chǎng )东(dōng )厂为宦官(guān )把持，混(hún )淆黑白，陷害忠良，朝野内外噤(jìn )若寒蝉。时有(yǒu )赵怀安（李连(lián )杰(jié ) 饰）等流亡剑客挺身而出，接连铲除东厂数名奸(jiān )佞，致令(lìng )阉贼胆战心惊。适值此时，风头正劲的西(xī )厂(chǎng )