明朝成化年间，朝(cháo )纲腐败，奸(jiān )邪当道。西厂东(dōng )厂为宦官把持，混(hún )淆黑白，陷害忠良(liáng )，朝野内外(wài )噤(jìn )若寒(hán )蝉。时有赵怀安（李连杰(jié ) 饰）等流亡剑客挺身而(ér )出，接连铲除东厂数名奸(jiān )佞，致令阉贼胆战心惊。适值此(cǐ )时，风头正(zhèng )劲(jìn )的西厂