明朝成化年间，朝纲腐败，奸邪(xié )当道。西厂(chǎng )东厂为宦官把持，混淆(xiáo )黑白，陷害忠(zhōng )良，朝野内外噤若寒蝉。时有赵怀(huái )安(ān )（李连杰 饰）等流亡剑客挺身而出，接连铲(chǎn )除东厂(chǎng )数名奸佞，致令(lìng )阉贼胆战心(xīn )惊(jīng )。适值此时(shí )，风头正劲的西厂