明朝成化年间，朝纲(gāng )腐败，奸邪当道。西(xī )厂东(dōng )厂为宦官把持，混(hún )淆黑白(bái )，陷害忠良，朝野内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰(shì )）等(děng )流亡剑客挺身而出(chū )，接连(lián )铲除东厂数名奸佞，致令阉(yān )贼(zéi )胆战心惊(jīng )。适值此时，风头正劲的西厂