明朝(cháo )成化年间(jiān )，朝纲腐败，奸(jiān )邪当道(dào )。西厂东厂为宦官(guān )把(bǎ )持(chí )，混淆(xiáo )黑白，陷害忠良，朝野内外噤若寒蝉。时(shí )有赵怀(huái )安（李连杰 饰）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致令(lìng )阉贼胆战心惊。适值此时(shí )，风头正劲的(de )西厂