明(míng )朝成化年间，朝纲腐败，奸(jiān )邪当道(dào )。西厂东(dōng )厂为宦官把持，混淆(xiáo )黑(hēi )白，陷害忠良，朝野内外噤若寒蝉。时(shí )有赵怀(huái )安（李连杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数名(míng )奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂(chǎng )