明(míng )朝(cháo )成化年间，朝纲腐败，奸邪当道。西厂东厂(chǎng )为宦(huàn )官(guān )把持，混淆黑白(bái )，陷(xiàn )害忠(zhōng )良(liáng )，朝野内外噤若寒蝉(chán )。时有赵(zhào )怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除东厂(chǎng )数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂(chǎng )