明朝成化年间，朝纲(gāng )腐败，奸(jiān )邪当道。西厂东厂为宦(huàn )官(guān )把持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时有赵怀安（李连杰 饰）等流亡(wáng )剑客挺身而出，接(jiē )连铲除东(dōng )厂数名奸佞(nìng )，致令(lìng )阉(yān )贼胆战心(xīn )惊。适值此时，风头正劲(jìn )的西厂