明朝成化年(nián )间，朝(cháo )纲腐(fǔ )败，奸邪当道。西厂东(dōng )厂为宦官把持，混淆黑白，陷害(hài )忠(zhōng )良，朝野内外噤若寒蝉(chán )。时有赵(zhào )怀安（李连杰(jié ) 饰(shì )）等流亡剑客挺(tǐng )身而出(chū )，接连(lián )铲除东厂数名奸佞，致令阉(yān )贼胆战心惊。适值此时，风头正劲的西厂