明朝成化年间，朝(cháo )纲(gāng )腐败，奸邪当道。西(xī )厂东厂为宦官把持(chí )，混淆黑白，陷(xiàn )害忠良，朝野内外噤若寒(hán )蝉。时有赵怀安（李连杰 饰）等流亡(wáng )剑客(kè )挺(tǐng )身(shēn )而出，接连铲除东厂数名奸佞，致令阉(yān )贼胆战心惊。适值(zhí )此(cǐ )时(shí )，风头正劲的西厂