明朝成(chéng )化年间(jiān )，朝纲腐败，奸邪当(dāng )道。西厂东厂为宦官把持(chí )，混淆(xiáo )黑白(bái )，陷害忠良，朝野内外(wài )噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数名奸佞，致令阉贼(zéi )胆战心惊(jīng )。适值此时，风头正(zhèng )劲的西厂