明朝成化年间，朝纲腐败，奸邪当道。西厂东厂(chǎng )为宦官把持，混淆(xiáo )黑(hēi )白(bái )，陷害忠良，朝(cháo )野内外(wài )噤若寒蝉。时有(yǒu )赵怀安(ān )（李连杰 饰）等流亡剑(jiàn )客挺(tǐng )身而出，接(jiē )连铲除东(dōng )厂数名奸佞，致令阉贼胆战心(xīn )惊。适值此时，风(fēng )头正劲的西厂