明(míng )朝成化年间，朝纲腐败，奸邪当道。西厂(chǎng )东厂(chǎng )为宦官(guān )把(bǎ )持(chí )，混淆(xiáo )黑白，陷害忠(zhōng )良，朝野内外噤若寒蝉。时有赵(zhào )怀(huái )安（李连杰 饰）等(děng )流亡剑客挺身(shēn )而出，接连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂