明朝成化年(nián )间，朝纲腐败，奸(jiān )邪当道。西厂东(dōng )厂为宦官把(bǎ )持，混淆黑白，陷害忠良，朝(cháo )野内外噤若寒(hán )蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身而出，接(jiē )连铲除东厂数名奸佞(nìng )，致令(lìng )阉(yān )贼胆战(zhàn )心惊。适值此时，风头正劲(jìn )的西(xī )厂