明(míng )朝成化年间(jiān )，朝纲腐败，奸(jiān )邪当道。西厂东厂为宦官把持，混淆黑(hēi )白，陷害忠良，朝(cháo )野内外噤若寒(hán )蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑(jiàn )客挺(tǐng )身而出，接连铲除东厂数名(míng )奸佞，致令阉贼胆战(zhàn )心惊。适值(zhí )此时，风头正劲的西厂(chǎng )