明朝成化年(nián )间，朝纲腐败，奸(jiān )邪当道(dào )。西厂东厂为宦官把持，混(hún )淆(xiáo )黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲除东(dōng )厂(chǎng )数名(míng )奸佞，致(zhì )令阉贼胆战心惊。适值此时，风头(tóu )正(zhèng )劲的西厂