明朝(cháo )成化年间，朝纲腐败，奸邪(xié )当道。西厂东厂为宦官把持，混淆黑白，陷害(hài )忠良，朝野内外(wài )噤(jìn )若(ruò )寒蝉(chán )。时有赵(zhào )怀安（李连杰(jié ) 饰）等流亡剑客挺身而出，接(jiē )连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此时，风头(tóu )正(zhèng )劲的西厂(chǎng )