明朝成(chéng )化年间，朝(cháo )纲(gāng )腐败，奸邪当道。西厂东厂为宦官(guān )把持，混(hún )淆黑白，陷害忠良(liáng )，朝(cháo )野(yě )内外(wài )噤(jìn )若寒蝉。时(shí )有赵怀(huái )安（李连杰 饰）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉(yān )贼胆(dǎn )战心惊。适值此时，风头正劲的西厂