明朝成化(huà )年间(jiān )，朝纲(gāng )腐败，奸邪(xié )当道。西厂东厂为宦官把(bǎ )持，混淆(xiáo )黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀安（李(lǐ )连杰 饰）等(děng )流(liú )亡剑客(kè )挺身而出(chū )，接连铲除东(dōng )厂数名奸佞(nìng )，致令阉贼(zéi )胆战(zhàn )心惊。适值此时，风头正劲的西厂