明朝成化年(nián )间，朝纲(gāng )腐败，奸邪(xié )当道。西厂东厂为宦(huàn )官把持，混淆黑白，陷害忠良(liáng )，朝(cháo )野内外噤若寒蝉。时(shí )有赵怀安（李连(lián )杰 饰）等(děng )流亡剑客挺身而出，接连铲(chǎn )除东(dōng )厂数名奸佞，致令阉贼胆战心惊。适值(zhí )此时，风头正劲的西厂(chǎng )