马克·费尔特是美国联邦调查局前副局长,在二十世纪美国最大政治丑闻“水门事件”中,他向《华盛顿邮报》记者披露了对尼克松总统不利的线报,从而导致尼克松下台。当时他没暴露自己的身份,只是以一部热门色情电影的片名作为自己的代号,也就是“深喉”。直到2005年,马克·费尔特才承认自己就是“深喉”。。A young woman is invited by her girlfriend, who lives in an English country mansion, to stay there with her. The estate, however, isn't quite what it seems--and neither is the friend who issued the invitation.。