明朝成化年间，朝纲腐(fǔ )败，奸(jiān )邪当道。西(xī )厂东厂为宦官(guān )把持(chí )，混(hún )淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵(zhào )怀(huái )安（李连杰 饰(shì )）等流亡剑客挺身而出，接连铲除东(dōng )厂数名奸佞，致令阉贼胆(dǎn )战心(xīn )惊。适值此时，风头正劲的西厂