明朝成化年间，朝纲(gāng )腐败，奸(jiān )邪当道。西(xī )厂东厂为宦官把持，混淆黑白，陷害忠良，朝(cháo )野内外(wài )噤若寒蝉(chán )。时有赵怀安（李连杰 饰(shì )）等流(liú )亡剑(jiàn )客挺身而出，接连铲除东厂数名奸佞，致令(lìng )阉贼胆战(zhàn )心惊。适值此时(shí )，风(fēng )头正劲(jìn )的西厂