明朝成化年间，朝纲腐败，奸邪当(dāng )道。西厂东厂为宦官(guān )把持，混淆黑白(bái )，陷害忠(zhōng )良，朝野内外噤若(ruò )寒蝉(chán )。时(shí )有赵怀安（李连(lián )杰 饰）等流亡剑(jiàn )客挺身而出，接连铲除东(dōng )厂数名奸佞，致令阉贼胆(dǎn )战心惊。适值此(cǐ )时，风头正劲的西厂