明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混(hún )淆黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时(shí )有赵怀(huái )安（李(lǐ )连杰 饰）等流(liú )亡(wáng )剑客挺(tǐng )身而出，接(jiē )连铲(chǎn )除东(dōng )厂数名(míng )奸佞，致令阉贼胆战心惊(jīng )。适值(zhí )此(cǐ )时，风头正劲的西厂