明(míng )朝成化年间，朝纲(gāng )腐败，奸邪当道(dào )。西厂东厂为宦官(guān )把持，混(hún )淆黑白(bái )，陷(xiàn )害忠良，朝野(yě )内外噤若寒蝉。时有赵怀安（李连杰(jié ) 饰）等流(liú )亡(wáng )剑客(kè )挺身而出，接连铲除(chú )东厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正(zhèng )劲的西厂