明朝成化年间，朝(cháo )纲(gāng )腐败，奸邪当(dāng )道。西(xī )厂东厂为宦官(guān )把持，混淆黑白，陷害忠良，朝野内外噤(jìn )若寒蝉。时有赵怀(huái )安（李连杰(jié ) 饰）等流亡剑客挺身而出(chū )，接连铲(chǎn )除东厂数名(míng )奸佞，致令阉(yān )贼胆战心惊。适值(zhí )此时，风头正劲的西厂