明(míng )朝成化年间(jiān )，朝纲腐败，奸邪当道。西(xī )厂东厂为宦官把持，混(hún )淆黑白(bái )，陷害忠良，朝野(yě )内外(wài )噤若寒蝉。时有(yǒu )赵怀(huái )安（李(lǐ )连杰 饰）等(děng )流亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉贼胆(dǎn )战心惊。适值此(cǐ )时，风头正(zhèng )劲的西厂