明朝成化年间，朝纲腐败，奸邪当道(dào )。西厂东厂为宦官把持，混淆黑白，陷害忠良，朝(cháo )野内外噤若(ruò )寒蝉。时有赵怀(huái )安（李连(lián )杰 饰）等(děng )流亡剑(jiàn )客(kè )挺(tǐng )身而出(chū )，接连铲(chǎn )除东厂数名奸佞，致令阉贼胆战心惊。适值此(cǐ )时，风头正劲的(de )西厂