明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官(guān )把持，混淆(xiáo )黑(hēi )白，陷(xiàn )害忠(zhōng )良，朝野内外噤若寒蝉。时有赵怀安（李连(lián )杰 饰）等(děng )流亡剑(jiàn )客挺身而出，接连铲除东厂数名奸(jiān )佞，致令阉(yān )贼胆战心惊。适值此时，风头正劲的西厂