明朝成化年间，朝纲腐败，奸(jiān )邪当道。西(xī )厂东厂为宦官把持，混(hún )淆黑(hēi )白，陷害(hài )忠良，朝野内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等(děng )流亡剑客挺(tǐng )身而出，接连铲除(chú )东厂数名奸(jiān )佞，致(zhì )令阉(yān )贼胆战心惊(jīng )。适(shì )值此时，风头正劲的西厂