明朝(cháo )成化年间，朝纲腐败，奸邪(xié )当道。西厂东厂为宦官(guān )把持，混(hún )淆黑白，陷害忠良，朝(cháo )野内外噤(jìn )若寒蝉。时(shí )有赵怀安（李连杰(jié ) 饰）等流亡剑(jiàn )客挺身而出，接连铲除东厂数(shù )名奸佞，致令阉(yān )贼胆战心惊。适值此时，风头正劲的西厂(chǎng )