明朝成化年间，朝纲(gāng )腐败(bài )，奸邪当道。西厂东厂为宦(huàn )官把持，混淆黑白，陷害忠良，朝野(yě )内外噤若(ruò )寒蝉。时有赵(zhào )怀(huái )安（李连(lián )杰 饰）等(děng )流亡剑客挺身而出，接连铲除东(dōng )厂(chǎng )数名(míng )奸佞，致令阉贼胆(dǎn )战心惊。适值此时，风头正劲的(de )西厂