明朝成化年间，朝纲腐败，奸(jiān )邪当道。西厂东厂为宦官把持，混(hún )淆黑(hēi )白，陷害忠良，朝(cháo )野内外噤若寒蝉(chán )。时(shí )有赵怀(huái )安（李连杰 饰）等流(liú )亡剑客挺(tǐng )身而出，接(jiē )连(lián )铲除东厂数名奸佞(nìng )，致令阉贼胆战心惊。适值此时(shí )，风头正劲的西厂