明朝成化(huà )年间，朝纲腐败，奸邪当道。西(xī )厂东厂为宦官把持，混淆(xiáo )黑白，陷(xiàn )害忠良，朝野内外(wài )噤若寒(hán )蝉。时(shí )有赵怀安（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(lìng )阉贼胆战心惊(jīng )。适值(zhí )此时，风头正劲的西厂