明朝成化年(nián )间，朝纲腐(fǔ )败，奸(jiān )邪(xié )当道。西厂东厂为宦官把持，混(hún )淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀安（李连(lián )杰(jié ) 饰）等流亡剑客(kè )挺(tǐng )身而出，接连铲除东(dōng )厂数名奸佞，致(zhì )令阉贼胆战心惊(jīng )。适值此时，风头正劲的西厂(chǎng )