明朝成(chéng )化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混(hún )淆(xiáo )黑白(bái )，陷害(hài )忠良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李连杰(jié ) 饰）等流亡剑(jiàn )客挺身而出，接连铲除东厂(chǎng )数名奸佞，致令阉贼(zéi )胆战心惊(jīng )。适值此时，风(fēng )头正劲的西厂(chǎng )