明朝成化年(nián )间，朝纲腐(fǔ )败，奸(jiān )邪当道。西厂东厂为宦官把持(chí )，混淆黑(hēi )白(bái )，陷害忠良，朝野内外噤若寒蝉。时有(yǒu )赵怀(huái )安（李连杰(jié ) 饰）等流亡剑客挺(tǐng )身而出，接连铲除东厂数名奸佞，致令阉(yān )贼胆战心惊。适值(zhí )此时(shí )，风头正劲的西厂(chǎng )