明朝成化年间，朝纲腐败，奸邪(xié )当道。西厂东厂为宦官(guān )把持，混(hún )淆黑(hēi )白，陷害忠良，朝野内外(wài )噤(jìn )若寒蝉。时有(yǒu )赵怀安（李连杰 饰）等(děng )流亡剑(jiàn )客(kè )挺身(shēn )而出，接(jiē )连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此时，风(fēng )头正劲的西厂