明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混淆黑白，陷(xiàn )害忠良，朝(cháo )野内(nèi )外噤若寒蝉。时(shí )有赵怀安（李连杰 饰）等流亡剑客挺(tǐng )身而(ér )出，接(jiē )连铲(chǎn )除(chú )东厂数名(míng )奸佞，致令阉贼胆(dǎn )战心惊(jīng )。适值(zhí )此时，风头正劲的西厂