明朝成化年间，朝纲腐败(bài )，奸邪当道。西厂东(dōng )厂为宦官把持，混淆黑白，陷害忠(zhōng )良，朝野内外(wài )噤若寒(hán )蝉。时有赵怀安(ān )（李(lǐ )连杰 饰(shì )）等流(liú )亡剑客挺身而出，接连铲除东厂数名(míng )奸佞，致令阉贼胆战(zhàn )心惊。适值(zhí )此时(shí )，风头正劲(jìn )的西厂