明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混淆黑白，陷害忠(zhōng )良，朝(cháo )野内外噤若寒蝉(chán )。时有(yǒu )赵怀(huái )安（李连杰 饰(shì )）等流亡剑(jiàn )客挺身而出，接(jiē )连铲除(chú )东厂数名奸佞，致令(lìng )阉贼(zéi )胆战心惊。适值此时(shí )，风头正劲的西厂