明朝成化年间，朝(cháo )纲腐败，奸邪(xié )当道。西(xī )厂东厂为宦官把持，混(hún )淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等(děng )流亡剑(jiàn )客挺身而(ér )出，接(jiē )连铲除东(dōng )厂数名奸佞，致令阉贼胆(dǎn )战心惊。适(shì )值此时，风头正劲的西厂