明朝成化(huà )年间，朝(cháo )纲腐(fǔ )败，奸(jiān )邪当道。西厂东(dōng )厂为宦官把持，混淆黑(hēi )白，陷害忠良，朝(cháo )野内外(wài )噤若寒蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除(chú )东厂数名奸(jiān )佞，致令阉贼胆战心(xīn )惊。适值此时，风头正劲的西厂