该电影由何塞·拉蒙·拉拉斯执导，Angela Pleasence、Lorna Heilbron、Peter Vaughan等主演，于1974年上映。在93分钟的叙事中，《症状》（又名：The Blood Virgin、Lânet）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.