明朝成化年(nián )间，朝纲(gāng )腐败，奸邪当道(dào )。西厂东(dōng )厂为宦官把持(chí )，混淆黑白(bái )，陷害忠良(liáng )，朝野内外(wài )噤若寒蝉。时(shí )有赵怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数名奸(jiān )佞，致令阉贼胆(dǎn )战心惊。适值此时，风头正劲的(de )西厂