明(míng )朝成化年间，朝(cháo )纲(gāng )腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混淆黑白，陷(xiàn )害忠良，朝野内外噤若(ruò )寒蝉。时有赵怀安（李连杰(jié ) 饰(shì )）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉(yān )贼胆(dǎn )战心惊。适(shì )值此时，风头正(zhèng )劲的西厂