明朝成化年间，朝纲腐败，奸邪(xié )当道。西厂东厂为宦官把持，混(hún )淆黑(hēi )白，陷害忠良，朝野内外(wài )噤若寒蝉。时(shí )有赵怀(huái )安（李连杰 饰）等流亡剑客(kè )挺身而出(chū )，接(jiē )连铲除东厂数名奸佞，致令阉贼胆战心惊(jīng )。适值此时，风头正劲(jìn )的西(xī )厂