明朝成化年间，朝(cháo )纲腐败，奸邪当道(dào )。西厂东(dōng )厂为(wéi )宦(huàn )官把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李连杰(jié ) 饰）等流亡剑(jiàn )客挺身而出，接连铲除东厂(chǎng )数名奸佞，致(zhì )令阉贼胆战心(xīn )惊。适值此时，风头正劲的西厂(chǎng )