明朝成化(huà )年(nián )间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官(guān )把持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒(hán )蝉。时有(yǒu )赵怀(huái )安（李连杰 饰）等流亡剑客挺(tǐng )身而(ér )出(chū )，接连铲除(chú )东厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂