明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦官(guān )把持，混(hún )淆黑白，陷害忠(zhōng )良，朝野内外(wài )噤若寒(hán )蝉。时有赵怀安（李连(lián )杰 饰）等(děng )流亡剑(jiàn )客挺身而出，接连铲(chǎn )除东厂数名奸佞(nìng )，致令阉(yān )贼胆(dǎn )战心(xīn )惊。适值此时，风头正劲的西厂