明朝成化年(nián )间，朝纲(gāng )腐败，奸(jiān )邪当道。西厂东厂为宦官把持，混淆黑白，陷害忠良，朝(cháo )野内外噤(jìn )若(ruò )寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑(jiàn )客挺身而出，接(jiē )连铲除东厂数名奸佞(nìng )，致令阉(yān )贼胆(dǎn )战(zhàn )心惊。适值此时，风头正劲的西厂