明(míng )朝成化年(nián )间，朝纲腐败，奸邪当道。西厂(chǎng )东厂为宦官把持，混淆黑白，陷害忠良，朝(cháo )野(yě )内外噤若寒(hán )蝉。时(shí )有赵怀安（李连(lián )杰(jié ) 饰）等流亡剑客挺(tǐng )身而出，接连铲除东(dōng )厂数名奸佞，致令阉贼胆战心惊。适(shì )值此时，风头正劲的西厂(chǎng )